27994120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 80352000

約数和(自身を除く): 52357880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 149, 154, 220, 244, 280, 298, 305, 308, 385, 427, 440, 488, 596, 610, 616, 671, 745, 770, 854, 1043, 1192, 1220, 1342, 1490, 1540, 1639, 1708, 2086, 2135, 2440, 2684, 2980, 3080, 3278, 3355, 3416, 4172, 4270, 4697, 5215, 5368, 5960, 6556, 6710, 8195, 8344, 8540, 9089, 9394, 10430, 11473, 13112, 13420, 16390, 17080, 18178, 18788, 20860, 22946, 23485, 26840, 32780, 36356, 37576, 41720, 45445, 45892, 46970, 57365, 63623, 65560, 72712, 90890, 91784, 93940, 99979, 114730, 127246, 181780, 187880, 199958, 229460, 254492, 318115, 363560, 399916, 458920, 499895, 508984, 636230, 699853, 799832, 999790, 1272460, 1399706, 1999580, 2544920, 2799412, 3499265, 3999160, 5598824, 6998530, 13997060, 27994120]

約数ペア:

[(1, 27994120), (2, 13997060), (4, 6998530), (5, 5598824), (7, 3999160), (8, 3499265), (10, 2799412), (11, 2544920), (14, 1999580), (20, 1399706), (22, 1272460), (28, 999790), (35, 799832), (40, 699853), (44, 636230), (55, 508984), (56, 499895), (61, 458920), (70, 399916), (77, 363560), (88, 318115), (110, 254492), (122, 229460), (140, 199958), (149, 187880), (154, 181780), (220, 127246), (244, 114730), (280, 99979), (298, 93940), (305, 91784), (308, 90890), (385, 72712), (427, 65560), (440, 63623), (488, 57365), (596, 46970), (610, 45892), (616, 45445), (671, 41720), (745, 37576), (770, 36356), (854, 32780), (1043, 26840), (1192, 23485), (1220, 22946), (1342, 20860), (1490, 18788), (1540, 18178), (1639, 17080), (1708, 16390), (2086, 13420), (2135, 13112), (2440, 11473), (2684, 10430), (2980, 9394), (3080, 9089), (3278, 8540), (3355, 8344), (3416, 8195), (4172, 6710), (4270, 6556), (4697, 5960), (5215, 5368)]