202128990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 582819840

約数和(自身を除く): 380690850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 61, 62, 70, 93, 105, 122, 155, 183, 186, 210, 217, 305, 310, 366, 427, 434, 465, 509, 610, 651, 854, 915, 930, 1018, 1085, 1281, 1302, 1527, 1830, 1891, 2135, 2170, 2545, 2562, 3054, 3255, 3563, 3782, 4270, 5090, 5673, 6405, 6510, 7126, 7635, 9455, 10689, 11346, 12810, 13237, 15270, 15779, 17815, 18910, 21378, 26474, 28365, 31049, 31558, 35630, 39711, 47337, 53445, 56730, 62098, 66185, 78895, 79422, 93147, 94674, 106890, 110453, 132370, 155245, 157790, 186294, 198555, 217343, 220906, 236685, 310490, 331359, 397110, 434686, 465735, 473370, 552265, 652029, 662718, 931470, 962519, 1086715, 1104530, 1304058, 1656795, 1925038, 2173430, 2887557, 3260145, 3313590, 4812595, 5775114, 6520290, 6737633, 9625190, 13475266, 14437785, 20212899, 28875570, 33688165, 40425798, 67376330, 101064495, 202128990]

約数ペア:

[(1, 202128990), (2, 101064495), (3, 67376330), (5, 40425798), (6, 33688165), (7, 28875570), (10, 20212899), (14, 14437785), (15, 13475266), (21, 9625190), (30, 6737633), (31, 6520290), (35, 5775114), (42, 4812595), (61, 3313590), (62, 3260145), (70, 2887557), (93, 2173430), (105, 1925038), (122, 1656795), (155, 1304058), (183, 1104530), (186, 1086715), (210, 962519), (217, 931470), (305, 662718), (310, 652029), (366, 552265), (427, 473370), (434, 465735), (465, 434686), (509, 397110), (610, 331359), (651, 310490), (854, 236685), (915, 220906), (930, 217343), (1018, 198555), (1085, 186294), (1281, 157790), (1302, 155245), (1527, 132370), (1830, 110453), (1891, 106890), (2135, 94674), (2170, 93147), (2545, 79422), (2562, 78895), (3054, 66185), (3255, 62098), (3563, 56730), (3782, 53445), (4270, 47337), (5090, 39711), (5673, 35630), (6405, 31558), (6510, 31049), (7126, 28365), (7635, 26474), (9455, 21378), (10689, 18910), (11346, 17815), (12810, 15779), (13237, 15270)]