388348720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{118399}}^1$

素因数の和:118453

約数の個数: 40

約数和(自身を含む): 924940800

約数和(自身を除く): 536592080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 118399, 236798, 473596, 591995, 947192, 1183990, 1894384, 2367980, 4735960, 4854359, 9471920, 9708718, 19417436, 24271795, 38834872, 48543590, 77669744, 97087180, 194174360, 388348720]

約数ペア:

[(1, 388348720), (2, 194174360), (4, 97087180), (5, 77669744), (8, 48543590), (10, 38834872), (16, 24271795), (20, 19417436), (40, 9708718), (41, 9471920), (80, 4854359), (82, 4735960), (164, 2367980), (205, 1894384), (328, 1183990), (410, 947192), (656, 591995), (820, 473596), (1640, 236798), (3280, 118399)]