156697120180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{905659}}^1$

素因数の和:905920

約数の個数: 48

約数和(自身を含む): 338687858880

約数和(自身を除く): 181990738700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 211, 410, 422, 820, 844, 1055, 2110, 4220, 8651, 17302, 34604, 43255, 86510, 173020, 905659, 1811318, 3622636, 4528295, 9056590, 18113180, 37132019, 74264038, 148528076, 185660095, 191094049, 371320190, 382188098, 742640380, 764376196, 955470245, 1910940490, 3821880980, 7834856009, 15669712018, 31339424036, 39174280045, 78348560090, 156697120180]

約数ペア:

[(1, 156697120180), (2, 78348560090), (4, 39174280045), (5, 31339424036), (10, 15669712018), (20, 7834856009), (41, 3821880980), (82, 1910940490), (164, 955470245), (205, 764376196), (211, 742640380), (410, 382188098), (422, 371320190), (820, 191094049), (844, 185660095), (1055, 148528076), (2110, 74264038), (4220, 37132019), (8651, 18113180), (17302, 9056590), (34604, 4528295), (43255, 3622636), (86510, 1811318), (173020, 905659)]