2779398800

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:981

約数の個数: 120

約数和(自身を含む): 6828212520

約数和(自身を除く): 4048813720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 101, 178, 200, 202, 356, 400, 404, 445, 505, 712, 773, 808, 890, 1010, 1424, 1546, 1616, 1780, 2020, 2225, 2525, 3092, 3560, 3865, 4040, 4450, 5050, 6184, 7120, 7730, 8080, 8900, 8989, 10100, 12368, 15460, 17800, 17978, 19325, 20200, 30920, 35600, 35956, 38650, 40400, 44945, 61840, 68797, 71912, 77300, 78073, 89890, 137594, 143824, 154600, 156146, 179780, 224725, 275188, 309200, 312292, 343985, 359560, 390365, 449450, 550376, 624584, 687970, 719120, 780730, 898900, 1100752, 1249168, 1375940, 1561460, 1719925, 1797800, 1951825, 2751880, 3122920, 3439850, 3595600, 3903650, 5503760, 6245840, 6879700, 6948497, 7807300, 13759400, 13896994, 15614600, 27518800, 27793988, 31229200, 34742485, 55587976, 69484970, 111175952, 138969940, 173712425, 277939880, 347424850, 555879760, 694849700, 1389699400, 2779398800]

約数ペア:

[(1, 2779398800), (2, 1389699400), (4, 694849700), (5, 555879760), (8, 347424850), (10, 277939880), (16, 173712425), (20, 138969940), (25, 111175952), (40, 69484970), (50, 55587976), (80, 34742485), (89, 31229200), (100, 27793988), (101, 27518800), (178, 15614600), (200, 13896994), (202, 13759400), (356, 7807300), (400, 6948497), (404, 6879700), (445, 6245840), (505, 5503760), (712, 3903650), (773, 3595600), (808, 3439850), (890, 3122920), (1010, 2751880), (1424, 1951825), (1546, 1797800), (1616, 1719925), (1780, 1561460), (2020, 1375940), (2225, 1249168), (2525, 1100752), (3092, 898900), (3560, 780730), (3865, 719120), (4040, 687970), (4450, 624584), (5050, 550376), (6184, 449450), (7120, 390365), (7730, 359560), (8080, 343985), (8900, 312292), (8989, 309200), (10100, 275188), (12368, 224725), (15460, 179780), (17800, 156146), (17978, 154600), (19325, 143824), (20200, 137594), (30920, 89890), (35600, 78073), (35956, 77300), (38650, 71912), (40400, 68797), (44945, 61840)]