207967220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{659}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 452390400

約数和(自身を除く): 244423180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 509, 620, 659, 1018, 1318, 2036, 2545, 2636, 3295, 5090, 6590, 10180, 13180, 15779, 20429, 31558, 40858, 63116, 78895, 81716, 102145, 157790, 204290, 315580, 335431, 408580, 670862, 1341724, 1677155, 3354310, 6708620, 10398361, 20796722, 41593444, 51991805, 103983610, 207967220]

約数ペア:

[(1, 207967220), (2, 103983610), (4, 51991805), (5, 41593444), (10, 20796722), (20, 10398361), (31, 6708620), (62, 3354310), (124, 1677155), (155, 1341724), (310, 670862), (509, 408580), (620, 335431), (659, 315580), (1018, 204290), (1318, 157790), (2036, 102145), (2545, 81716), (2636, 78895), (3295, 63116), (5090, 40858), (6590, 31558), (10180, 20429), (13180, 15779)]