209290400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1447

約数の個数: 144

約数和(自身を含む): 590587200

約数和(自身を除く): 381296800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 32, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 160, 170, 176, 187, 200, 220, 272, 275, 340, 352, 374, 400, 425, 440, 544, 550, 680, 748, 800, 850, 880, 935, 1100, 1360, 1399, 1496, 1700, 1760, 1870, 2200, 2720, 2798, 2992, 3400, 3740, 4400, 4675, 5596, 5984, 6800, 6995, 7480, 8800, 9350, 11192, 13600, 13990, 14960, 15389, 18700, 22384, 23783, 27980, 29920, 30778, 34975, 37400, 44768, 47566, 55960, 61556, 69950, 74800, 76945, 95132, 111920, 118915, 123112, 139900, 149600, 153890, 190264, 223840, 237830, 246224, 261613, 279800, 307780, 380528, 384725, 475660, 492448, 523226, 559600, 594575, 615560, 761056, 769450, 951320, 1046452, 1119200, 1189150, 1231120, 1308065, 1538900, 1902640, 2092904, 2378300, 2462240, 2616130, 3077800, 3805280, 4185808, 4756600, 5232260, 6155600, 6540325, 8371616, 9513200, 10464520, 12311200, 13080650, 19026400, 20929040, 26161300, 41858080, 52322600, 104645200, 209290400]

約数ペア:

[(1, 209290400), (2, 104645200), (4, 52322600), (5, 41858080), (8, 26161300), (10, 20929040), (11, 19026400), (16, 13080650), (17, 12311200), (20, 10464520), (22, 9513200), (25, 8371616), (32, 6540325), (34, 6155600), (40, 5232260), (44, 4756600), (50, 4185808), (55, 3805280), (68, 3077800), (80, 2616130), (85, 2462240), (88, 2378300), (100, 2092904), (110, 1902640), (136, 1538900), (160, 1308065), (170, 1231120), (176, 1189150), (187, 1119200), (200, 1046452), (220, 951320), (272, 769450), (275, 761056), (340, 615560), (352, 594575), (374, 559600), (400, 523226), (425, 492448), (440, 475660), (544, 384725), (550, 380528), (680, 307780), (748, 279800), (800, 261613), (850, 246224), (880, 237830), (935, 223840), (1100, 190264), (1360, 153890), (1399, 149600), (1496, 139900), (1700, 123112), (1760, 118915), (1870, 111920), (2200, 95132), (2720, 76945), (2798, 74800), (2992, 69950), (3400, 61556), (3740, 55960), (4400, 47566), (4675, 44768), (5596, 37400), (5984, 34975), (6800, 30778), (6995, 29920), (7480, 27980), (8800, 23783), (9350, 22384), (11192, 18700), (13600, 15389), (13990, 14960)]