20181715900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{773}}^1\times {\mathrm{1993}}^1$

素因数の和:2911

約数の個数: 72

約数和(自身を含む): 44207889264

約数和(自身を除く): 24026173364

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 773, 1310, 1546, 1993, 2620, 3092, 3275, 3865, 3986, 6550, 7730, 7972, 9965, 13100, 15460, 19325, 19930, 38650, 39860, 49825, 77300, 99650, 101263, 199300, 202526, 261083, 405052, 506315, 522166, 1012630, 1044332, 1305415, 1540589, 2025260, 2531575, 2610830, 3081178, 5063150, 5221660, 6162356, 6527075, 7702945, 10126300, 13054150, 15405890, 26108300, 30811780, 38514725, 77029450, 154058900, 201817159, 403634318, 807268636, 1009085795, 2018171590, 4036343180, 5045428975, 10090857950, 20181715900]

約数ペア:

[(1, 20181715900), (2, 10090857950), (4, 5045428975), (5, 4036343180), (10, 2018171590), (20, 1009085795), (25, 807268636), (50, 403634318), (100, 201817159), (131, 154058900), (262, 77029450), (524, 38514725), (655, 30811780), (773, 26108300), (1310, 15405890), (1546, 13054150), (1993, 10126300), (2620, 7702945), (3092, 6527075), (3275, 6162356), (3865, 5221660), (3986, 5063150), (6550, 3081178), (7730, 2610830), (7972, 2531575), (9965, 2025260), (13100, 1540589), (15460, 1305415), (19325, 1044332), (19930, 1012630), (38650, 522166), (39860, 506315), (49825, 405052), (77300, 261083), (99650, 202526), (101263, 199300)]