217090470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1065

約数の個数: 64

約数和(自身を含む): 537886656

約数和(自身を除く): 320796186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 257, 370, 514, 555, 761, 771, 1110, 1285, 1522, 1542, 2283, 2570, 3805, 3855, 4566, 7610, 7710, 9509, 11415, 19018, 22830, 28157, 28527, 47545, 56314, 57054, 84471, 95090, 140785, 142635, 168942, 195577, 281570, 285270, 391154, 422355, 586731, 844710, 977885, 1173462, 1955770, 2933655, 5867310, 7236349, 14472698, 21709047, 36181745, 43418094, 72363490, 108545235, 217090470]

約数ペア:

[(1, 217090470), (2, 108545235), (3, 72363490), (5, 43418094), (6, 36181745), (10, 21709047), (15, 14472698), (30, 7236349), (37, 5867310), (74, 2933655), (111, 1955770), (185, 1173462), (222, 977885), (257, 844710), (370, 586731), (514, 422355), (555, 391154), (761, 285270), (771, 281570), (1110, 195577), (1285, 168942), (1522, 142635), (1542, 140785), (2283, 95090), (2570, 84471), (3805, 57054), (3855, 56314), (4566, 47545), (7610, 28527), (7710, 28157), (9509, 22830), (11415, 19018)]