128471700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 428972544

約数和(自身を除く): 300500844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 131, 140, 150, 175, 210, 262, 300, 350, 393, 420, 467, 524, 525, 655, 700, 786, 917, 934, 1050, 1310, 1401, 1572, 1834, 1868, 1965, 2100, 2335, 2620, 2751, 2802, 3269, 3275, 3668, 3930, 4585, 4670, 5502, 5604, 6538, 6550, 7005, 7860, 9170, 9340, 9807, 9825, 11004, 11675, 13076, 13100, 13755, 14010, 16345, 18340, 19614, 19650, 22925, 23350, 27510, 28020, 32690, 35025, 39228, 39300, 45850, 46700, 49035, 55020, 61177, 65380, 68775, 70050, 81725, 91700, 98070, 122354, 137550, 140100, 163450, 183531, 196140, 244708, 245175, 275100, 305885, 326900, 367062, 428239, 490350, 611770, 734124, 856478, 917655, 980700, 1223540, 1284717, 1529425, 1712956, 1835310, 2141195, 2569434, 3058850, 3670620, 4282390, 4588275, 5138868, 6117700, 6423585, 8564780, 9176550, 10705975, 12847170, 18353100, 21411950, 25694340, 32117925, 42823900, 64235850, 128471700]

約数ペア:

[(1, 128471700), (2, 64235850), (3, 42823900), (4, 32117925), (5, 25694340), (6, 21411950), (7, 18353100), (10, 12847170), (12, 10705975), (14, 9176550), (15, 8564780), (20, 6423585), (21, 6117700), (25, 5138868), (28, 4588275), (30, 4282390), (35, 3670620), (42, 3058850), (50, 2569434), (60, 2141195), (70, 1835310), (75, 1712956), (84, 1529425), (100, 1284717), (105, 1223540), (131, 980700), (140, 917655), (150, 856478), (175, 734124), (210, 611770), (262, 490350), (300, 428239), (350, 367062), (393, 326900), (420, 305885), (467, 275100), (524, 245175), (525, 244708), (655, 196140), (700, 183531), (786, 163450), (917, 140100), (934, 137550), (1050, 122354), (1310, 98070), (1401, 91700), (1572, 81725), (1834, 70050), (1868, 68775), (1965, 65380), (2100, 61177), (2335, 55020), (2620, 49035), (2751, 46700), (2802, 45850), (3269, 39300), (3275, 39228), (3668, 35025), (3930, 32690), (4585, 28020), (4670, 27510), (5502, 23350), (5604, 22925), (6538, 19650), (6550, 19614), (7005, 18340), (7860, 16345), (9170, 14010), (9340, 13755), (9807, 13100), (9825, 13076), (11004, 11675)]