208358920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1199

約数の個数: 128

約数和(自身を含む): 594604800

約数和(自身を除く): 386245880

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, 154, 220, 244, 280, 305, 308, 385, 427, 440, 488, 610, 616, 671, 770, 854, 1109, 1220, 1342, 1540, 1708, 2135, 2218, 2440, 2684, 3080, 3355, 3416, 4270, 4436, 4697, 5368, 5545, 6710, 7763, 8540, 8872, 9394, 11090, 12199, 13420, 15526, 17080, 18788, 22180, 23485, 24398, 26840, 31052, 37576, 38815, 44360, 46970, 48796, 60995, 62104, 67649, 77630, 85393, 93940, 97592, 121990, 135298, 155260, 170786, 187880, 243980, 270596, 310520, 338245, 341572, 426965, 473543, 487960, 541192, 676490, 683144, 744139, 853930, 947086, 1352980, 1488278, 1707860, 1894172, 2367715, 2705960, 2976556, 3415720, 3720695, 3788344, 4735430, 5208973, 5953112, 7441390, 9470860, 10417946, 14882780, 18941720, 20835892, 26044865, 29765560, 41671784, 52089730, 104179460, 208358920]

約数ペア:

[(1, 208358920), (2, 104179460), (4, 52089730), (5, 41671784), (7, 29765560), (8, 26044865), (10, 20835892), (11, 18941720), (14, 14882780), (20, 10417946), (22, 9470860), (28, 7441390), (35, 5953112), (40, 5208973), (44, 4735430), (55, 3788344), (56, 3720695), (61, 3415720), (70, 2976556), (77, 2705960), (88, 2367715), (110, 1894172), (122, 1707860), (140, 1488278), (154, 1352980), (220, 947086), (244, 853930), (280, 744139), (305, 683144), (308, 676490), (385, 541192), (427, 487960), (440, 473543), (488, 426965), (610, 341572), (616, 338245), (671, 310520), (770, 270596), (854, 243980), (1109, 187880), (1220, 170786), (1342, 155260), (1540, 135298), (1708, 121990), (2135, 97592), (2218, 93940), (2440, 85393), (2684, 77630), (3080, 67649), (3355, 62104), (3416, 60995), (4270, 48796), (4436, 46970), (4697, 44360), (5368, 38815), (5545, 37576), (6710, 31052), (7763, 26840), (8540, 24398), (8872, 23485), (9394, 22180), (11090, 18788), (12199, 17080), (13420, 15526)]