202015760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1788

約数の個数: 80

約数和(自身を含む): 503204400

約数和(自身を除く): 301188640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1360, 1424, 1513, 1669, 1780, 3026, 3338, 3560, 6052, 6676, 7120, 7565, 8345, 12104, 13352, 15130, 16690, 24208, 26704, 28373, 30260, 33380, 56746, 60520, 66760, 113492, 121040, 133520, 141865, 148541, 226984, 283730, 297082, 453968, 567460, 594164, 742705, 1134920, 1188328, 1485410, 2269840, 2376656, 2525197, 2970820, 5050394, 5941640, 10100788, 11883280, 12625985, 20201576, 25251970, 40403152, 50503940, 101007880, 202015760]

約数ペア:

[(1, 202015760), (2, 101007880), (4, 50503940), (5, 40403152), (8, 25251970), (10, 20201576), (16, 12625985), (17, 11883280), (20, 10100788), (34, 5941640), (40, 5050394), (68, 2970820), (80, 2525197), (85, 2376656), (89, 2269840), (136, 1485410), (170, 1188328), (178, 1134920), (272, 742705), (340, 594164), (356, 567460), (445, 453968), (680, 297082), (712, 283730), (890, 226984), (1360, 148541), (1424, 141865), (1513, 133520), (1669, 121040), (1780, 113492), (3026, 66760), (3338, 60520), (3560, 56746), (6052, 33380), (6676, 30260), (7120, 28373), (7565, 26704), (8345, 24208), (12104, 16690), (13352, 15130)]