309997730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3821}}^1$

素因数の和:3915

約数の個数: 64

約数和(自身を含む): 682456320

約数和(自身を除く): 372458590

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 190, 266, 305, 427, 610, 665, 854, 1159, 1330, 2135, 2318, 3821, 4270, 5795, 7642, 8113, 11590, 16226, 19105, 26747, 38210, 40565, 53494, 72599, 81130, 133735, 145198, 233081, 267470, 362995, 466162, 508193, 725990, 1016386, 1165405, 1631567, 2330810, 2540965, 3263134, 4428539, 5081930, 8157835, 8857078, 16315670, 22142695, 30999773, 44285390, 61999546, 154998865, 309997730]

約数ペア:

[(1, 309997730), (2, 154998865), (5, 61999546), (7, 44285390), (10, 30999773), (14, 22142695), (19, 16315670), (35, 8857078), (38, 8157835), (61, 5081930), (70, 4428539), (95, 3263134), (122, 2540965), (133, 2330810), (190, 1631567), (266, 1165405), (305, 1016386), (427, 725990), (610, 508193), (665, 466162), (854, 362995), (1159, 267470), (1330, 233081), (2135, 145198), (2318, 133735), (3821, 81130), (4270, 72599), (5795, 53494), (7642, 40565), (8113, 38210), (11590, 26747), (16226, 19105)]