29991880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 74615040

約数和(自身を除く): 44623160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 67, 76, 95, 124, 134, 152, 155, 190, 248, 268, 310, 335, 361, 380, 536, 589, 620, 670, 722, 760, 1178, 1240, 1273, 1340, 1444, 1805, 2077, 2356, 2546, 2680, 2888, 2945, 3610, 4154, 4712, 5092, 5890, 6365, 7220, 8308, 10184, 10385, 11191, 11780, 12730, 14440, 16616, 20770, 22382, 23560, 24187, 25460, 39463, 41540, 44764, 48374, 50920, 55955, 78926, 83080, 89528, 96748, 111910, 120935, 157852, 193496, 197315, 223820, 241870, 315704, 394630, 447640, 483740, 749797, 789260, 967480, 1499594, 1578520, 2999188, 3748985, 5998376, 7497970, 14995940, 29991880]

約数ペア:

[(1, 29991880), (2, 14995940), (4, 7497970), (5, 5998376), (8, 3748985), (10, 2999188), (19, 1578520), (20, 1499594), (31, 967480), (38, 789260), (40, 749797), (62, 483740), (67, 447640), (76, 394630), (95, 315704), (124, 241870), (134, 223820), (152, 197315), (155, 193496), (190, 157852), (248, 120935), (268, 111910), (310, 96748), (335, 89528), (361, 83080), (380, 78926), (536, 55955), (589, 50920), (620, 48374), (670, 44764), (722, 41540), (760, 39463), (1178, 25460), (1240, 24187), (1273, 23560), (1340, 22382), (1444, 20770), (1805, 16616), (2077, 14440), (2356, 12730), (2546, 11780), (2680, 11191), (2888, 10385), (2945, 10184), (3610, 8308), (4154, 7220), (4712, 6365), (5092, 5890)]