215940432890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{215921}}^1$

素因数の和:216112

約数の個数: 96

約数和(自身を含む): 490037570064

約数和(自身を除く): 274097137174

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 157, 182, 245, 314, 455, 490, 637, 785, 910, 1099, 1274, 1570, 2041, 2198, 3185, 4082, 5495, 6370, 7693, 10205, 10990, 14287, 15386, 20410, 28574, 38465, 71435, 76930, 100009, 142870, 200018, 215921, 431842, 500045, 1000090, 1079605, 1511447, 2159210, 2806973, 3022894, 5613946, 7557235, 10580129, 14034865, 15114470, 19648811, 21160258, 28069730, 33899597, 39297622, 52900645, 67799194, 98244055, 105801290, 137541677, 169497985, 196488110, 237297179, 275083354, 338995970, 440694761, 474594358, 687708385, 881389522, 1186485895, 1375416770, 1661080253, 2203473805, 2372971790, 3084863327, 3322160506, 4406947610, 6169726654, 8305401265, 15424316635, 16610802530, 21594043289, 30848633270, 43188086578, 107970216445, 215940432890]

約数ペア:

[(1, 215940432890), (2, 107970216445), (5, 43188086578), (7, 30848633270), (10, 21594043289), (13, 16610802530), (14, 15424316635), (26, 8305401265), (35, 6169726654), (49, 4406947610), (65, 3322160506), (70, 3084863327), (91, 2372971790), (98, 2203473805), (130, 1661080253), (157, 1375416770), (182, 1186485895), (245, 881389522), (314, 687708385), (455, 474594358), (490, 440694761), (637, 338995970), (785, 275083354), (910, 237297179), (1099, 196488110), (1274, 169497985), (1570, 137541677), (2041, 105801290), (2198, 98244055), (3185, 67799194), (4082, 52900645), (5495, 39297622), (6370, 33899597), (7693, 28069730), (10205, 21160258), (10990, 19648811), (14287, 15114470), (15386, 14034865), (20410, 10580129), (28574, 7557235), (38465, 5613946), (71435, 3022894), (76930, 2806973), (100009, 2159210), (142870, 1511447), (200018, 1079605), (215921, 1000090), (431842, 500045)]