688889300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 162

約数和(自身を含む): 1754344746

約数和(自身を除く): 1065455446

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 121, 170, 187, 197, 220, 242, 275, 289, 340, 374, 394, 425, 484, 550, 578, 605, 748, 788, 850, 935, 985, 1100, 1156, 1210, 1445, 1700, 1870, 1970, 2057, 2167, 2420, 2890, 3025, 3179, 3349, 3740, 3940, 4114, 4334, 4675, 4925, 5780, 6050, 6358, 6698, 7225, 8228, 8668, 9350, 9850, 10285, 10835, 12100, 12716, 13396, 14450, 15895, 16745, 18700, 19700, 20570, 21670, 23837, 28900, 31790, 33490, 34969, 36839, 41140, 43340, 47674, 51425, 54175, 56933, 63580, 66980, 69938, 73678, 79475, 83725, 95348, 102850, 108350, 113866, 119185, 139876, 147356, 158950, 167450, 174845, 184195, 205700, 216700, 227732, 238370, 284665, 317900, 334900, 349690, 368390, 405229, 476740, 569330, 595925, 626263, 699380, 736780, 810458, 874225, 920975, 1138660, 1191850, 1252526, 1423325, 1620916, 1748450, 1841950, 2026145, 2383700, 2505052, 2846650, 3131315, 3496900, 3683900, 4052290, 5693300, 6262630, 6888893, 8104580, 10130725, 12525260, 13777786, 15656575, 20261450, 27555572, 31313150, 34444465, 40522900, 62626300, 68888930, 137777860, 172222325, 344444650, 688889300]

約数ペア:

[(1, 688889300), (2, 344444650), (4, 172222325), (5, 137777860), (10, 68888930), (11, 62626300), (17, 40522900), (20, 34444465), (22, 31313150), (25, 27555572), (34, 20261450), (44, 15656575), (50, 13777786), (55, 12525260), (68, 10130725), (85, 8104580), (100, 6888893), (110, 6262630), (121, 5693300), (170, 4052290), (187, 3683900), (197, 3496900), (220, 3131315), (242, 2846650), (275, 2505052), (289, 2383700), (340, 2026145), (374, 1841950), (394, 1748450), (425, 1620916), (484, 1423325), (550, 1252526), (578, 1191850), (605, 1138660), (748, 920975), (788, 874225), (850, 810458), (935, 736780), (985, 699380), (1100, 626263), (1156, 595925), (1210, 569330), (1445, 476740), (1700, 405229), (1870, 368390), (1970, 349690), (2057, 334900), (2167, 317900), (2420, 284665), (2890, 238370), (3025, 227732), (3179, 216700), (3349, 205700), (3740, 184195), (3940, 174845), (4114, 167450), (4334, 158950), (4675, 147356), (4925, 139876), (5780, 119185), (6050, 113866), (6358, 108350), (6698, 102850), (7225, 95348), (8228, 83725), (8668, 79475), (9350, 73678), (9850, 69938), (10285, 66980), (10835, 63580), (12100, 56933), (12716, 54175), (13396, 51425), (14450, 47674), (15895, 43340), (16745, 41140), (18700, 36839), (19700, 34969), (20570, 33490), (21670, 31790), (23837, 28900)]