28835940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 93671424

約数和(自身を除く): 64835484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 967, 994, 1065, 1420, 1491, 1934, 1988, 2130, 2485, 2901, 2982, 3868, 4260, 4835, 4970, 5802, 5964, 6769, 7455, 9670, 9940, 11604, 13538, 14505, 14910, 19340, 20307, 27076, 29010, 29820, 33845, 40614, 58020, 67690, 68657, 81228, 101535, 135380, 137314, 203070, 205971, 274628, 343285, 406140, 411942, 480599, 686570, 823884, 961198, 1029855, 1373140, 1441797, 1922396, 2059710, 2402995, 2883594, 4119420, 4805990, 5767188, 7208985, 9611980, 14417970, 28835940]

約数ペア:

[(1, 28835940), (2, 14417970), (3, 9611980), (4, 7208985), (5, 5767188), (6, 4805990), (7, 4119420), (10, 2883594), (12, 2402995), (14, 2059710), (15, 1922396), (20, 1441797), (21, 1373140), (28, 1029855), (30, 961198), (35, 823884), (42, 686570), (60, 480599), (70, 411942), (71, 406140), (84, 343285), (105, 274628), (140, 205971), (142, 203070), (210, 137314), (213, 135380), (284, 101535), (355, 81228), (420, 68657), (426, 67690), (497, 58020), (710, 40614), (852, 33845), (967, 29820), (994, 29010), (1065, 27076), (1420, 20307), (1491, 19340), (1934, 14910), (1988, 14505), (2130, 13538), (2485, 11604), (2901, 9940), (2982, 9670), (3868, 7455), (4260, 6769), (4835, 5964), (4970, 5802)]