156778540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1201}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 338040864

約数和(自身を除く): 181262324

約数列:

[1, 2, 4, 5, 10, 20, 61, 107, 122, 214, 244, 305, 428, 535, 610, 1070, 1201, 1220, 2140, 2402, 4804, 6005, 6527, 12010, 13054, 24020, 26108, 32635, 65270, 73261, 128507, 130540, 146522, 257014, 293044, 366305, 514028, 642535, 732610, 1285070, 1465220, 2570140, 7838927, 15677854, 31355708, 39194635, 78389270, 156778540]

約数ペア:

[(1, 156778540), (2, 78389270), (4, 39194635), (5, 31355708), (10, 15677854), (20, 7838927), (61, 2570140), (107, 1465220), (122, 1285070), (214, 732610), (244, 642535), (305, 514028), (428, 366305), (535, 293044), (610, 257014), (1070, 146522), (1201, 130540), (1220, 128507), (2140, 73261), (2402, 65270), (4804, 32635), (6005, 26108), (6527, 24020), (12010, 13054)]