397834160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8443}}^1$

素因数の和:8506

約数の個数: 80

約数和(自身を含む): 1005173760

約数和(自身を除く): 607339600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 8443, 9424, 11780, 16886, 23560, 33772, 42215, 47120, 67544, 84430, 135088, 160417, 168860, 261733, 320834, 337720, 523466, 641668, 675440, 802085, 1046932, 1283336, 1308665, 1604170, 2093864, 2566672, 2617330, 3208340, 4187728, 4972927, 5234660, 6416680, 9945854, 10469320, 12833360, 19891708, 20938640, 24864635, 39783416, 49729270, 79566832, 99458540, 198917080, 397834160]

約数ペア:

[(1, 397834160), (2, 198917080), (4, 99458540), (5, 79566832), (8, 49729270), (10, 39783416), (16, 24864635), (19, 20938640), (20, 19891708), (31, 12833360), (38, 10469320), (40, 9945854), (62, 6416680), (76, 5234660), (80, 4972927), (95, 4187728), (124, 3208340), (152, 2617330), (155, 2566672), (190, 2093864), (248, 1604170), (304, 1308665), (310, 1283336), (380, 1046932), (496, 802085), (589, 675440), (620, 641668), (760, 523466), (1178, 337720), (1240, 320834), (1520, 261733), (2356, 168860), (2480, 160417), (2945, 135088), (4712, 84430), (5890, 67544), (8443, 47120), (9424, 42215), (11780, 33772), (16886, 23560)]