421939840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4957}}^1$

素因数の和:5002

約数の個数: 128

約数和(自身を含む): 1213718400

約数和(自身を除く): 791778560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2660, 3040, 4256, 4480, 4957, 5320, 6080, 8512, 9914, 10640, 12160, 17024, 19828, 21280, 24785, 34699, 39656, 42560, 49570, 69398, 79312, 85120, 94183, 99140, 138796, 158624, 173495, 188366, 198280, 277592, 317248, 346990, 376732, 396560, 470915, 555184, 634496, 659281, 693980, 753464, 793120, 941830, 1110368, 1318562, 1387960, 1506928, 1586240, 1883660, 2220736, 2637124, 2775920, 3013856, 3172480, 3296405, 3767320, 4441472, 5274248, 5551840, 6027712, 6592810, 7534640, 10548496, 11103680, 12055424, 13185620, 15069280, 21096992, 22207360, 26371240, 30138560, 42193984, 52742480, 60277120, 84387968, 105484960, 210969920, 421939840]

約数ペア:

[(1, 421939840), (2, 210969920), (4, 105484960), (5, 84387968), (7, 60277120), (8, 52742480), (10, 42193984), (14, 30138560), (16, 26371240), (19, 22207360), (20, 21096992), (28, 15069280), (32, 13185620), (35, 12055424), (38, 11103680), (40, 10548496), (56, 7534640), (64, 6592810), (70, 6027712), (76, 5551840), (80, 5274248), (95, 4441472), (112, 3767320), (128, 3296405), (133, 3172480), (140, 3013856), (152, 2775920), (160, 2637124), (190, 2220736), (224, 1883660), (266, 1586240), (280, 1506928), (304, 1387960), (320, 1318562), (380, 1110368), (448, 941830), (532, 793120), (560, 753464), (608, 693980), (640, 659281), (665, 634496), (760, 555184), (896, 470915), (1064, 396560), (1120, 376732), (1216, 346990), (1330, 317248), (1520, 277592), (2128, 198280), (2240, 188366), (2432, 173495), (2660, 158624), (3040, 138796), (4256, 99140), (4480, 94183), (4957, 85120), (5320, 79312), (6080, 69398), (8512, 49570), (9914, 42560), (10640, 39656), (12160, 34699), (17024, 24785), (19828, 21280)]