690232300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 1679892480

約数和(自身を除く): 989660180

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 127, 139, 170, 230, 254, 278, 340, 391, 425, 460, 508, 556, 575, 635, 695, 782, 850, 1150, 1270, 1390, 1564, 1700, 1955, 2159, 2300, 2363, 2540, 2780, 2921, 3175, 3197, 3475, 3910, 4318, 4726, 5842, 6350, 6394, 6950, 7820, 8636, 9452, 9775, 10795, 11684, 11815, 12700, 12788, 13900, 14605, 15985, 17653, 19550, 21590, 23630, 29210, 31970, 35306, 39100, 43180, 47260, 49657, 53975, 54349, 58420, 59075, 63940, 70612, 73025, 79925, 88265, 99314, 107950, 108698, 118150, 146050, 159850, 176530, 198628, 215900, 217396, 236300, 248285, 271745, 292100, 300101, 319700, 353060, 406019, 441325, 496570, 543490, 600202, 812038, 882650, 993140, 1086980, 1200404, 1241425, 1358725, 1500505, 1624076, 1765300, 2030095, 2482850, 2717450, 3001010, 4060190, 4965700, 5434900, 6002020, 6902323, 7502525, 8120380, 10150475, 13804646, 15005050, 20300950, 27609292, 30010100, 34511615, 40601900, 69023230, 138046460, 172558075, 345116150, 690232300]

約数ペア:

[(1, 690232300), (2, 345116150), (4, 172558075), (5, 138046460), (10, 69023230), (17, 40601900), (20, 34511615), (23, 30010100), (25, 27609292), (34, 20300950), (46, 15005050), (50, 13804646), (68, 10150475), (85, 8120380), (92, 7502525), (100, 6902323), (115, 6002020), (127, 5434900), (139, 4965700), (170, 4060190), (230, 3001010), (254, 2717450), (278, 2482850), (340, 2030095), (391, 1765300), (425, 1624076), (460, 1500505), (508, 1358725), (556, 1241425), (575, 1200404), (635, 1086980), (695, 993140), (782, 882650), (850, 812038), (1150, 600202), (1270, 543490), (1390, 496570), (1564, 441325), (1700, 406019), (1955, 353060), (2159, 319700), (2300, 300101), (2363, 292100), (2540, 271745), (2780, 248285), (2921, 236300), (3175, 217396), (3197, 215900), (3475, 198628), (3910, 176530), (4318, 159850), (4726, 146050), (5842, 118150), (6350, 108698), (6394, 107950), (6950, 99314), (7820, 88265), (8636, 79925), (9452, 73025), (9775, 70612), (10795, 63940), (11684, 59075), (11815, 58420), (12700, 54349), (12788, 53975), (13900, 49657), (14605, 47260), (15985, 43180), (17653, 39100), (19550, 35306), (21590, 31970), (23630, 29210)]