641013730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 1454671872

約数和(自身を除く): 813658142

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 47, 70, 73, 85, 94, 119, 146, 157, 170, 235, 238, 314, 329, 365, 470, 511, 595, 658, 730, 785, 799, 1022, 1099, 1190, 1241, 1570, 1598, 1645, 2198, 2482, 2555, 2669, 3290, 3431, 3995, 5110, 5338, 5495, 5593, 6205, 6862, 7379, 7990, 8687, 10990, 11186, 11461, 12410, 13345, 14758, 17155, 17374, 18683, 22922, 24017, 26690, 27965, 34310, 36895, 37366, 43435, 48034, 51653, 55930, 57305, 58327, 73790, 80227, 86870, 93415, 103306, 114610, 116654, 120085, 125443, 160454, 186830, 194837, 240170, 250886, 258265, 291635, 389674, 401135, 408289, 516530, 538667, 583270, 627215, 802270, 816578, 878101, 974185, 1077334, 1254430, 1363859, 1756202, 1948370, 2041445, 2693335, 2727718, 3770669, 4082890, 4390505, 5386670, 6819295, 7541338, 8781010, 9157339, 13638590, 18314678, 18853345, 37706690, 45786695, 64101373, 91573390, 128202746, 320506865, 641013730]

約数ペア:

[(1, 641013730), (2, 320506865), (5, 128202746), (7, 91573390), (10, 64101373), (14, 45786695), (17, 37706690), (34, 18853345), (35, 18314678), (47, 13638590), (70, 9157339), (73, 8781010), (85, 7541338), (94, 6819295), (119, 5386670), (146, 4390505), (157, 4082890), (170, 3770669), (235, 2727718), (238, 2693335), (314, 2041445), (329, 1948370), (365, 1756202), (470, 1363859), (511, 1254430), (595, 1077334), (658, 974185), (730, 878101), (785, 816578), (799, 802270), (1022, 627215), (1099, 583270), (1190, 538667), (1241, 516530), (1570, 408289), (1598, 401135), (1645, 389674), (2198, 291635), (2482, 258265), (2555, 250886), (2669, 240170), (3290, 194837), (3431, 186830), (3995, 160454), (5110, 125443), (5338, 120085), (5495, 116654), (5593, 114610), (6205, 103306), (6862, 93415), (7379, 86870), (7990, 80227), (8687, 73790), (10990, 58327), (11186, 57305), (11461, 55930), (12410, 51653), (13345, 48034), (14758, 43435), (17155, 37366), (17374, 36895), (18683, 34310), (22922, 27965), (24017, 26690)]