397389620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1113

約数の個数: 96

約数和(自身を含む): 937681920

約数和(自身を除く): 540292300

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 37, 62, 68, 74, 85, 124, 148, 155, 170, 185, 310, 340, 370, 527, 620, 629, 740, 1019, 1054, 1147, 1258, 2038, 2108, 2294, 2516, 2635, 3145, 4076, 4588, 5095, 5270, 5735, 6290, 10190, 10540, 11470, 12580, 17323, 19499, 20380, 22940, 31589, 34646, 37703, 38998, 63178, 69292, 75406, 77996, 86615, 97495, 126356, 150812, 157945, 173230, 188515, 194990, 315890, 346460, 377030, 389980, 537013, 631780, 640951, 754060, 1074026, 1168793, 1281902, 2148052, 2337586, 2563804, 2685065, 3204755, 4675172, 5370130, 5843965, 6409510, 10740260, 11687930, 12819020, 19869481, 23375860, 39738962, 79477924, 99347405, 198694810, 397389620]

約数ペア:

[(1, 397389620), (2, 198694810), (4, 99347405), (5, 79477924), (10, 39738962), (17, 23375860), (20, 19869481), (31, 12819020), (34, 11687930), (37, 10740260), (62, 6409510), (68, 5843965), (74, 5370130), (85, 4675172), (124, 3204755), (148, 2685065), (155, 2563804), (170, 2337586), (185, 2148052), (310, 1281902), (340, 1168793), (370, 1074026), (527, 754060), (620, 640951), (629, 631780), (740, 537013), (1019, 389980), (1054, 377030), (1147, 346460), (1258, 315890), (2038, 194990), (2108, 188515), (2294, 173230), (2516, 157945), (2635, 150812), (3145, 126356), (4076, 97495), (4588, 86615), (5095, 77996), (5270, 75406), (5735, 69292), (6290, 63178), (10190, 38998), (10540, 37703), (11470, 34646), (12580, 31589), (17323, 22940), (19499, 20380)]