1898188440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^2\times {\mathrm{1997}}^1$

素因数の和:2189

約数の個数: 96

約数和(自身を含む): 5762152080

約数和(自身を除く): 3863963640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 1997, 2136, 2670, 3560, 3994, 5340, 5991, 7921, 7988, 9985, 10680, 11982, 15842, 15976, 19970, 23763, 23964, 29955, 31684, 39605, 39940, 47526, 47928, 59910, 63368, 79210, 79880, 95052, 118815, 119820, 158420, 177733, 190104, 237630, 239640, 316840, 355466, 475260, 533199, 710932, 888665, 950520, 1066398, 1421864, 1777330, 2132796, 2665995, 3554660, 4265592, 5331990, 7109320, 10663980, 15818237, 21327960, 31636474, 47454711, 63272948, 79091185, 94909422, 126545896, 158182370, 189818844, 237273555, 316364740, 379637688, 474547110, 632729480, 949094220, 1898188440]

約数ペア:

[(1, 1898188440), (2, 949094220), (3, 632729480), (4, 474547110), (5, 379637688), (6, 316364740), (8, 237273555), (10, 189818844), (12, 158182370), (15, 126545896), (20, 94909422), (24, 79091185), (30, 63272948), (40, 47454711), (60, 31636474), (89, 21327960), (120, 15818237), (178, 10663980), (267, 7109320), (356, 5331990), (445, 4265592), (534, 3554660), (712, 2665995), (890, 2132796), (1068, 1777330), (1335, 1421864), (1780, 1066398), (1997, 950520), (2136, 888665), (2670, 710932), (3560, 533199), (3994, 475260), (5340, 355466), (5991, 316840), (7921, 239640), (7988, 237630), (9985, 190104), (10680, 177733), (11982, 158420), (15842, 119820), (15976, 118815), (19970, 95052), (23763, 79880), (23964, 79210), (29955, 63368), (31684, 59910), (39605, 47928), (39940, 47526)]