164048980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2789}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 367007760

約数和(自身を除く): 202958780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 692, 865, 1730, 2789, 2941, 3460, 5578, 5882, 11156, 11764, 13945, 14705, 27890, 29410, 47413, 55780, 58820, 94826, 189652, 237065, 474130, 482497, 948260, 964994, 1929988, 2412485, 4824970, 8202449, 9649940, 16404898, 32809796, 41012245, 82024490, 164048980]

約数ペア:

[(1, 164048980), (2, 82024490), (4, 41012245), (5, 32809796), (10, 16404898), (17, 9649940), (20, 8202449), (34, 4824970), (68, 2412485), (85, 1929988), (170, 964994), (173, 948260), (340, 482497), (346, 474130), (692, 237065), (865, 189652), (1730, 94826), (2789, 58820), (2941, 55780), (3460, 47413), (5578, 29410), (5882, 27890), (11156, 14705), (11764, 13945)]