29943940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 70704648

約数和(自身を除く): 40760708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 53, 65, 82, 106, 130, 164, 205, 212, 260, 265, 410, 530, 533, 689, 820, 1060, 1066, 1378, 2132, 2173, 2665, 2756, 2809, 3445, 4346, 5330, 5618, 6890, 8692, 10660, 10865, 11236, 13780, 14045, 21730, 28090, 28249, 36517, 43460, 56180, 56498, 73034, 112996, 115169, 141245, 146068, 182585, 230338, 282490, 365170, 460676, 564980, 575845, 730340, 1151690, 1497197, 2303380, 2994394, 5988788, 7485985, 14971970, 29943940]

約数ペア:

[(1, 29943940), (2, 14971970), (4, 7485985), (5, 5988788), (10, 2994394), (13, 2303380), (20, 1497197), (26, 1151690), (41, 730340), (52, 575845), (53, 564980), (65, 460676), (82, 365170), (106, 282490), (130, 230338), (164, 182585), (205, 146068), (212, 141245), (260, 115169), (265, 112996), (410, 73034), (530, 56498), (533, 56180), (689, 43460), (820, 36517), (1060, 28249), (1066, 28090), (1378, 21730), (2132, 14045), (2173, 13780), (2665, 11236), (2756, 10865), (2809, 10660), (3445, 8692), (4346, 6890), (5330, 5618)]