1438650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 4062240

約数和(自身を除く): 2623590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 139, 150, 207, 225, 230, 278, 345, 414, 417, 450, 575, 690, 695, 834, 1035, 1150, 1251, 1390, 1725, 2070, 2085, 2502, 3197, 3450, 3475, 4170, 5175, 6255, 6394, 6950, 9591, 10350, 10425, 12510, 15985, 19182, 20850, 28773, 31275, 31970, 47955, 57546, 62550, 79925, 95910, 143865, 159850, 239775, 287730, 479550, 719325, 1438650]

約数ペア:

[(1, 1438650), (2, 719325), (3, 479550), (5, 287730), (6, 239775), (9, 159850), (10, 143865), (15, 95910), (18, 79925), (23, 62550), (25, 57546), (30, 47955), (45, 31970), (46, 31275), (50, 28773), (69, 20850), (75, 19182), (90, 15985), (115, 12510), (138, 10425), (139, 10350), (150, 9591), (207, 6950), (225, 6394), (230, 6255), (278, 5175), (345, 4170), (414, 3475), (417, 3450), (450, 3197), (575, 2502), (690, 2085), (695, 2070), (834, 1725), (1035, 1390), (1150, 1251)]