42381460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 99475488

約数和(自身を除く): 57094028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 211, 220, 242, 332, 415, 422, 484, 605, 830, 844, 913, 1055, 1210, 1660, 1826, 2110, 2321, 2420, 3652, 4220, 4565, 4642, 9130, 9284, 10043, 11605, 17513, 18260, 20086, 23210, 25531, 35026, 40172, 46420, 50215, 51062, 70052, 87565, 100430, 102124, 127655, 175130, 192643, 200860, 255310, 350260, 385286, 510620, 770572, 963215, 1926430, 2119073, 3852860, 4238146, 8476292, 10595365, 21190730, 42381460]

約数ペア:

[(1, 42381460), (2, 21190730), (4, 10595365), (5, 8476292), (10, 4238146), (11, 3852860), (20, 2119073), (22, 1926430), (44, 963215), (55, 770572), (83, 510620), (110, 385286), (121, 350260), (166, 255310), (211, 200860), (220, 192643), (242, 175130), (332, 127655), (415, 102124), (422, 100430), (484, 87565), (605, 70052), (830, 51062), (844, 50215), (913, 46420), (1055, 40172), (1210, 35026), (1660, 25531), (1826, 23210), (2110, 20086), (2321, 18260), (2420, 17513), (3652, 11605), (4220, 10043), (4565, 9284), (4642, 9130)]