220103675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 333259920

約数和(自身を除く): 113156245

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 89, 115, 187, 253, 275, 391, 425, 445, 529, 575, 935, 979, 1265, 1513, 1955, 2047, 2225, 2645, 4301, 4675, 4895, 5819, 6325, 7565, 8993, 9775, 10235, 13225, 16643, 21505, 22517, 24475, 29095, 34799, 37825, 44965, 47081, 51175, 83215, 98923, 107525, 112585, 145475, 173995, 224825, 235405, 382789, 416075, 494615, 517891, 562925, 800377, 869975, 1177025, 1913945, 2473075, 2589455, 4001885, 8804147, 9569725, 12947275, 20009425, 44020735, 220103675]

約数ペア:

[(1, 220103675), (5, 44020735), (11, 20009425), (17, 12947275), (23, 9569725), (25, 8804147), (55, 4001885), (85, 2589455), (89, 2473075), (115, 1913945), (187, 1177025), (253, 869975), (275, 800377), (391, 562925), (425, 517891), (445, 494615), (529, 416075), (575, 382789), (935, 235405), (979, 224825), (1265, 173995), (1513, 145475), (1955, 112585), (2047, 107525), (2225, 98923), (2645, 83215), (4301, 51175), (4675, 47081), (4895, 44965), (5819, 37825), (6325, 34799), (7565, 29095), (8993, 24475), (9775, 22517), (10235, 21505), (13225, 16643)]