29320420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 67592448

約数和(自身を除く): 38272028

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 131, 155, 190, 262, 310, 361, 380, 524, 589, 620, 655, 722, 1178, 1310, 1444, 1805, 2356, 2489, 2620, 2945, 3610, 4061, 4978, 5890, 7220, 8122, 9956, 11191, 11780, 12445, 16244, 20305, 22382, 24890, 40610, 44764, 47291, 49780, 55955, 77159, 81220, 94582, 111910, 154318, 189164, 223820, 236455, 308636, 385795, 472910, 771590, 945820, 1466021, 1543180, 2932042, 5864084, 7330105, 14660210, 29320420]

約数ペア:

[(1, 29320420), (2, 14660210), (4, 7330105), (5, 5864084), (10, 2932042), (19, 1543180), (20, 1466021), (31, 945820), (38, 771590), (62, 472910), (76, 385795), (95, 308636), (124, 236455), (131, 223820), (155, 189164), (190, 154318), (262, 111910), (310, 94582), (361, 81220), (380, 77159), (524, 55955), (589, 49780), (620, 47291), (655, 44764), (722, 40610), (1178, 24890), (1310, 22382), (1444, 20305), (1805, 16244), (2356, 12445), (2489, 11780), (2620, 11191), (2945, 9956), (3610, 8122), (4061, 7220), (4978, 5890)]