490886240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 192

約数和(自身を含む): 1349332992

約数和(自身を除く): 858446752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 160, 184, 208, 230, 248, 260, 299, 310, 331, 368, 403, 416, 460, 496, 520, 598, 620, 662, 713, 736, 806, 920, 992, 1040, 1196, 1240, 1324, 1426, 1495, 1612, 1655, 1840, 2015, 2080, 2392, 2480, 2648, 2852, 2990, 3224, 3310, 3565, 3680, 4030, 4303, 4784, 4960, 5296, 5704, 5980, 6448, 6620, 7130, 7613, 8060, 8606, 9269, 9568, 10261, 10592, 11408, 11960, 12896, 13240, 14260, 15226, 16120, 17212, 18538, 20522, 21515, 22816, 23920, 26480, 28520, 30452, 32240, 34424, 37076, 38065, 41044, 43030, 46345, 47840, 51305, 52960, 57040, 60904, 64480, 68848, 74152, 76130, 82088, 86060, 92690, 98969, 102610, 114080, 121808, 133393, 137696, 148304, 152260, 164176, 172120, 185380, 197938, 205220, 236003, 243616, 266786, 296608, 304520, 328352, 344240, 370760, 395876, 410440, 472006, 494845, 533572, 609040, 666965, 688480, 741520, 791752, 820880, 944012, 989690, 1067144, 1180015, 1218080, 1333930, 1483040, 1583504, 1641760, 1888024, 1979380, 2134288, 2360030, 2667860, 3068039, 3167008, 3776048, 3958760, 4268576, 4720060, 5335720, 6136078, 7552096, 7917520, 9440120, 10671440, 12272156, 15340195, 15835040, 18880240, 21342880, 24544312, 30680390, 37760480, 49088624, 61360780, 98177248, 122721560, 245443120, 490886240]

約数ペア:

[(1, 490886240), (2, 245443120), (4, 122721560), (5, 98177248), (8, 61360780), (10, 49088624), (13, 37760480), (16, 30680390), (20, 24544312), (23, 21342880), (26, 18880240), (31, 15835040), (32, 15340195), (40, 12272156), (46, 10671440), (52, 9440120), (62, 7917520), (65, 7552096), (80, 6136078), (92, 5335720), (104, 4720060), (115, 4268576), (124, 3958760), (130, 3776048), (155, 3167008), (160, 3068039), (184, 2667860), (208, 2360030), (230, 2134288), (248, 1979380), (260, 1888024), (299, 1641760), (310, 1583504), (331, 1483040), (368, 1333930), (403, 1218080), (416, 1180015), (460, 1067144), (496, 989690), (520, 944012), (598, 820880), (620, 791752), (662, 741520), (713, 688480), (736, 666965), (806, 609040), (920, 533572), (992, 494845), (1040, 472006), (1196, 410440), (1240, 395876), (1324, 370760), (1426, 344240), (1495, 328352), (1612, 304520), (1655, 296608), (1840, 266786), (2015, 243616), (2080, 236003), (2392, 205220), (2480, 197938), (2648, 185380), (2852, 172120), (2990, 164176), (3224, 152260), (3310, 148304), (3565, 137696), (3680, 133393), (4030, 121808), (4303, 114080), (4784, 102610), (4960, 98969), (5296, 92690), (5704, 86060), (5980, 82088), (6448, 76130), (6620, 74152), (7130, 68848), (7613, 64480), (8060, 60904), (8606, 57040), (9269, 52960), (9568, 51305), (10261, 47840), (10592, 46345), (11408, 43030), (11960, 41044), (12896, 38065), (13240, 37076), (14260, 34424), (15226, 32240), (16120, 30452), (17212, 28520), (18538, 26480), (20522, 23920), (21515, 22816)]