205128210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2969}}^1$

素因数の和:3040

約数の個数: 96

約数和(自身を含む): 585066240

約数和(自身を除く): 379938030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 49, 70, 94, 98, 105, 141, 147, 210, 235, 245, 282, 294, 329, 470, 490, 658, 705, 735, 987, 1410, 1470, 1645, 1974, 2303, 2969, 3290, 4606, 4935, 5938, 6909, 8907, 9870, 11515, 13818, 14845, 17814, 20783, 23030, 29690, 34545, 41566, 44535, 62349, 69090, 89070, 103915, 124698, 139543, 145481, 207830, 279086, 290962, 311745, 418629, 436443, 623490, 697715, 727405, 837258, 872886, 976801, 1395430, 1454810, 1953602, 2093145, 2182215, 2930403, 4186290, 4364430, 4884005, 5860806, 6837607, 9768010, 13675214, 14652015, 20512821, 29304030, 34188035, 41025642, 68376070, 102564105, 205128210]

約数ペア:

[(1, 205128210), (2, 102564105), (3, 68376070), (5, 41025642), (6, 34188035), (7, 29304030), (10, 20512821), (14, 14652015), (15, 13675214), (21, 9768010), (30, 6837607), (35, 5860806), (42, 4884005), (47, 4364430), (49, 4186290), (70, 2930403), (94, 2182215), (98, 2093145), (105, 1953602), (141, 1454810), (147, 1395430), (210, 976801), (235, 872886), (245, 837258), (282, 727405), (294, 697715), (329, 623490), (470, 436443), (490, 418629), (658, 311745), (705, 290962), (735, 279086), (987, 207830), (1410, 145481), (1470, 139543), (1645, 124698), (1974, 103915), (2303, 89070), (2969, 69090), (3290, 62349), (4606, 44535), (4935, 41566), (5938, 34545), (6909, 29690), (8907, 23030), (9870, 20783), (11515, 17814), (13818, 14845)]