28975380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3631}}^1$

素因数の和:3669

約数の個数: 96

約数和(自身を含む): 97628160

約数和(自身を除く): 68652780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3631, 3990, 7262, 7980, 10893, 14524, 18155, 21786, 25417, 36310, 43572, 50834, 54465, 68989, 72620, 76251, 101668, 108930, 127085, 137978, 152502, 206967, 217860, 254170, 275956, 305004, 344945, 381255, 413934, 482923, 508340, 689890, 762510, 827868, 965846, 1034835, 1379780, 1448769, 1525020, 1931692, 2069670, 2414615, 2897538, 4139340, 4829230, 5795076, 7243845, 9658460, 14487690, 28975380]

約数ペア:

[(1, 28975380), (2, 14487690), (3, 9658460), (4, 7243845), (5, 5795076), (6, 4829230), (7, 4139340), (10, 2897538), (12, 2414615), (14, 2069670), (15, 1931692), (19, 1525020), (20, 1448769), (21, 1379780), (28, 1034835), (30, 965846), (35, 827868), (38, 762510), (42, 689890), (57, 508340), (60, 482923), (70, 413934), (76, 381255), (84, 344945), (95, 305004), (105, 275956), (114, 254170), (133, 217860), (140, 206967), (190, 152502), (210, 137978), (228, 127085), (266, 108930), (285, 101668), (380, 76251), (399, 72620), (420, 68989), (532, 54465), (570, 50834), (665, 43572), (798, 36310), (1140, 25417), (1330, 21786), (1596, 18155), (1995, 14524), (2660, 10893), (3631, 7980), (3990, 7262)]