49888860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 165473280

約数和(自身を除く): 115584420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 239, 245, 284, 294, 355, 420, 426, 478, 490, 497, 588, 710, 717, 735, 852, 956, 980, 994, 1065, 1195, 1420, 1434, 1470, 1491, 1673, 1988, 2130, 2390, 2485, 2868, 2940, 2982, 3346, 3479, 3585, 4260, 4780, 4970, 5019, 5964, 6692, 6958, 7170, 7455, 8365, 9940, 10038, 10437, 11711, 13916, 14340, 14910, 16730, 16969, 17395, 20076, 20874, 23422, 25095, 29820, 33460, 33938, 34790, 35133, 41748, 46844, 50190, 50907, 52185, 58555, 67876, 69580, 70266, 84845, 100380, 101814, 104370, 117110, 118783, 140532, 169690, 175665, 203628, 208740, 234220, 237566, 254535, 339380, 351330, 356349, 475132, 509070, 593915, 702660, 712698, 831481, 1018140, 1187830, 1425396, 1662962, 1781745, 2375660, 2494443, 3325924, 3563490, 4157405, 4988886, 7126980, 8314810, 9977772, 12472215, 16629620, 24944430, 49888860]

約数ペア:

[(1, 49888860), (2, 24944430), (3, 16629620), (4, 12472215), (5, 9977772), (6, 8314810), (7, 7126980), (10, 4988886), (12, 4157405), (14, 3563490), (15, 3325924), (20, 2494443), (21, 2375660), (28, 1781745), (30, 1662962), (35, 1425396), (42, 1187830), (49, 1018140), (60, 831481), (70, 712698), (71, 702660), (84, 593915), (98, 509070), (105, 475132), (140, 356349), (142, 351330), (147, 339380), (196, 254535), (210, 237566), (213, 234220), (239, 208740), (245, 203628), (284, 175665), (294, 169690), (355, 140532), (420, 118783), (426, 117110), (478, 104370), (490, 101814), (497, 100380), (588, 84845), (710, 70266), (717, 69580), (735, 67876), (852, 58555), (956, 52185), (980, 50907), (994, 50190), (1065, 46844), (1195, 41748), (1420, 35133), (1434, 34790), (1470, 33938), (1491, 33460), (1673, 29820), (1988, 25095), (2130, 23422), (2390, 20874), (2485, 20076), (2868, 17395), (2940, 16969), (2982, 16730), (3346, 14910), (3479, 14340), (3585, 13916), (4260, 11711), (4780, 10437), (4970, 10038), (5019, 9940), (5964, 8365), (6692, 7455), (6958, 7170)]