1977430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 64

約数和(自身を含む): 4572288

約数和(自身を除く): 2594858

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 53, 65, 70, 82, 91, 106, 130, 182, 205, 265, 287, 371, 410, 455, 530, 533, 574, 689, 742, 910, 1066, 1378, 1435, 1855, 2173, 2665, 2870, 3445, 3710, 3731, 4346, 4823, 5330, 6890, 7462, 9646, 10865, 15211, 18655, 21730, 24115, 28249, 30422, 37310, 48230, 56498, 76055, 141245, 152110, 197743, 282490, 395486, 988715, 1977430]

約数ペア:

[(1, 1977430), (2, 988715), (5, 395486), (7, 282490), (10, 197743), (13, 152110), (14, 141245), (26, 76055), (35, 56498), (41, 48230), (53, 37310), (65, 30422), (70, 28249), (82, 24115), (91, 21730), (106, 18655), (130, 15211), (182, 10865), (205, 9646), (265, 7462), (287, 6890), (371, 5330), (410, 4823), (455, 4346), (530, 3731), (533, 3710), (574, 3445), (689, 2870), (742, 2665), (910, 2173), (1066, 1855), (1378, 1435)]