89999700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2562

約数の個数: 144

約数和(自身を含む): 315229824

約数和(自身を除く): 225230124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 595, 700, 714, 850, 1020, 1050, 1190, 1275, 1428, 1700, 1785, 2100, 2380, 2521, 2550, 2975, 3570, 5042, 5100, 5950, 7140, 7563, 8925, 10084, 11900, 12605, 15126, 17647, 17850, 25210, 30252, 35294, 35700, 37815, 42857, 50420, 52941, 63025, 70588, 75630, 85714, 88235, 105882, 126050, 128571, 151260, 171428, 176470, 189075, 211764, 214285, 252100, 257142, 264705, 299999, 352940, 378150, 428570, 441175, 514284, 529410, 599998, 642855, 756300, 857140, 882350, 899997, 1058820, 1071425, 1199996, 1285710, 1323525, 1499995, 1764700, 1799994, 2142850, 2571420, 2647050, 2999990, 3214275, 3599988, 4285700, 4499985, 5294100, 5999980, 6428550, 7499975, 8999970, 12857100, 14999950, 17999940, 22499925, 29999900, 44999850, 89999700]

約数ペア:

[(1, 89999700), (2, 44999850), (3, 29999900), (4, 22499925), (5, 17999940), (6, 14999950), (7, 12857100), (10, 8999970), (12, 7499975), (14, 6428550), (15, 5999980), (17, 5294100), (20, 4499985), (21, 4285700), (25, 3599988), (28, 3214275), (30, 2999990), (34, 2647050), (35, 2571420), (42, 2142850), (50, 1799994), (51, 1764700), (60, 1499995), (68, 1323525), (70, 1285710), (75, 1199996), (84, 1071425), (85, 1058820), (100, 899997), (102, 882350), (105, 857140), (119, 756300), (140, 642855), (150, 599998), (170, 529410), (175, 514284), (204, 441175), (210, 428570), (238, 378150), (255, 352940), (300, 299999), (340, 264705), (350, 257142), (357, 252100), (420, 214285), (425, 211764), (476, 189075), (510, 176470), (525, 171428), (595, 151260), (700, 128571), (714, 126050), (850, 105882), (1020, 88235), (1050, 85714), (1190, 75630), (1275, 70588), (1428, 63025), (1700, 52941), (1785, 50420), (2100, 42857), (2380, 37815), (2521, 35700), (2550, 35294), (2975, 30252), (3570, 25210), (5042, 17850), (5100, 17647), (5950, 15126), (7140, 12605), (7563, 11900), (8925, 10084)]