390177160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{16561}}^1$

素因数の和:16622

約数の個数: 64

約数和(自身を含む): 953971200

約数和(自身を除く): 563794040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 16561, 23560, 33122, 66244, 82805, 132488, 165610, 314659, 331220, 513391, 629318, 662440, 1026782, 1258636, 1573295, 2053564, 2517272, 2566955, 3146590, 4107128, 5133910, 6293180, 9754429, 10267820, 12586360, 19508858, 20535640, 39017716, 48772145, 78035432, 97544290, 195088580, 390177160]

約数ペア:

[(1, 390177160), (2, 195088580), (4, 97544290), (5, 78035432), (8, 48772145), (10, 39017716), (19, 20535640), (20, 19508858), (31, 12586360), (38, 10267820), (40, 9754429), (62, 6293180), (76, 5133910), (95, 4107128), (124, 3146590), (152, 2566955), (155, 2517272), (190, 2053564), (248, 1573295), (310, 1258636), (380, 1026782), (589, 662440), (620, 629318), (760, 513391), (1178, 331220), (1240, 314659), (2356, 165610), (2945, 132488), (4712, 82805), (5890, 66244), (11780, 33122), (16561, 23560)]