205416900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 216

約数和(自身を含む): 704414984

約数和(自身を除く): 498998084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 97, 100, 117, 130, 150, 156, 180, 181, 194, 195, 225, 234, 260, 291, 300, 325, 362, 388, 390, 450, 468, 485, 543, 582, 585, 650, 724, 780, 873, 900, 905, 970, 975, 1086, 1164, 1170, 1261, 1300, 1455, 1629, 1746, 1810, 1940, 1950, 2172, 2340, 2353, 2425, 2522, 2715, 2910, 2925, 3258, 3492, 3620, 3783, 3900, 4365, 4525, 4706, 4850, 5044, 5430, 5820, 5850, 6305, 6516, 7059, 7275, 7566, 8145, 8730, 9050, 9412, 9700, 10860, 11349, 11700, 11765, 12610, 13575, 14118, 14550, 15132, 16290, 17460, 17557, 18100, 18915, 21177, 21825, 22698, 23530, 25220, 27150, 28236, 29100, 31525, 32580, 35114, 35295, 37830, 40725, 42354, 43650, 45396, 47060, 52671, 54300, 56745, 58825, 63050, 70228, 70590, 75660, 81450, 84708, 87300, 87785, 94575, 105342, 105885, 113490, 117650, 126100, 141180, 158013, 162900, 175570, 176475, 189150, 210684, 211770, 226980, 228241, 235300, 263355, 283725, 316026, 351140, 352950, 378300, 423540, 438925, 456482, 526710, 529425, 567450, 632052, 684723, 705900, 790065, 877850, 912964, 1053420, 1058850, 1134900, 1141205, 1316775, 1369446, 1580130, 1755700, 2054169, 2117700, 2282410, 2633550, 2738892, 3160260, 3423615, 3950325, 4108338, 4564820, 5267100, 5706025, 6847230, 7900650, 8216676, 10270845, 11412050, 13694460, 15801300, 17118075, 20541690, 22824100, 34236150, 41083380, 51354225, 68472300, 102708450, 205416900]

約数ペア:

[(1, 205416900), (2, 102708450), (3, 68472300), (4, 51354225), (5, 41083380), (6, 34236150), (9, 22824100), (10, 20541690), (12, 17118075), (13, 15801300), (15, 13694460), (18, 11412050), (20, 10270845), (25, 8216676), (26, 7900650), (30, 6847230), (36, 5706025), (39, 5267100), (45, 4564820), (50, 4108338), (52, 3950325), (60, 3423615), (65, 3160260), (75, 2738892), (78, 2633550), (90, 2282410), (97, 2117700), (100, 2054169), (117, 1755700), (130, 1580130), (150, 1369446), (156, 1316775), (180, 1141205), (181, 1134900), (194, 1058850), (195, 1053420), (225, 912964), (234, 877850), (260, 790065), (291, 705900), (300, 684723), (325, 632052), (362, 567450), (388, 529425), (390, 526710), (450, 456482), (468, 438925), (485, 423540), (543, 378300), (582, 352950), (585, 351140), (650, 316026), (724, 283725), (780, 263355), (873, 235300), (900, 228241), (905, 226980), (970, 211770), (975, 210684), (1086, 189150), (1164, 176475), (1170, 175570), (1261, 162900), (1300, 158013), (1455, 141180), (1629, 126100), (1746, 117650), (1810, 113490), (1940, 105885), (1950, 105342), (2172, 94575), (2340, 87785), (2353, 87300), (2425, 84708), (2522, 81450), (2715, 75660), (2910, 70590), (2925, 70228), (3258, 63050), (3492, 58825), (3620, 56745), (3783, 54300), (3900, 52671), (4365, 47060), (4525, 45396), (4706, 43650), (4850, 42354), (5044, 40725), (5430, 37830), (5820, 35295), (5850, 35114), (6305, 32580), (6516, 31525), (7059, 29100), (7275, 28236), (7566, 27150), (8145, 25220), (8730, 23530), (9050, 22698), (9412, 21825), (9700, 21177), (10860, 18915), (11349, 18100), (11700, 17557), (11765, 17460), (12610, 16290), (13575, 15132), (14118, 14550)]