149740420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6203}}^1$

素因数の和:6300

約数の個数: 48

約数和(自身を含む): 337696128

約数和(自身を除く): 187955708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 6203, 12070, 12406, 24140, 24812, 31015, 62030, 105451, 124060, 210902, 421804, 440413, 527255, 880826, 1054510, 1761652, 2109020, 2202065, 4404130, 7487021, 8808260, 14974042, 29948084, 37435105, 74870210, 149740420]

約数ペア:

[(1, 149740420), (2, 74870210), (4, 37435105), (5, 29948084), (10, 14974042), (17, 8808260), (20, 7487021), (34, 4404130), (68, 2202065), (71, 2109020), (85, 1761652), (142, 1054510), (170, 880826), (284, 527255), (340, 440413), (355, 421804), (710, 210902), (1207, 124060), (1420, 105451), (2414, 62030), (4828, 31015), (6035, 24812), (6203, 24140), (12070, 12406)]