1490257538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{1663}}^1$

素因数の和:1740

約数の個数: 72

約数和(自身を含む): 2937252864

約数和(自身を除く): 1446995326

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 506, 529, 847, 1058, 1663, 1694, 1771, 2783, 3326, 3542, 3703, 5566, 5819, 7406, 11638, 11641, 18293, 19481, 23282, 36586, 38249, 38962, 40733, 64009, 76498, 81466, 128018, 128051, 201223, 256102, 267743, 402446, 420739, 448063, 535486, 841478, 879727, 896126, 1408561, 1759454, 2817122, 2945173, 4628129, 5890346, 6158089, 9256258, 9676997, 12316178, 19353994, 32396903, 64793806, 67738979, 106446967, 135477958, 212893934, 745128769, 1490257538]

約数ペア:

[(1, 1490257538), (2, 745128769), (7, 212893934), (11, 135477958), (14, 106446967), (22, 67738979), (23, 64793806), (46, 32396903), (77, 19353994), (121, 12316178), (154, 9676997), (161, 9256258), (242, 6158089), (253, 5890346), (322, 4628129), (506, 2945173), (529, 2817122), (847, 1759454), (1058, 1408561), (1663, 896126), (1694, 879727), (1771, 841478), (2783, 535486), (3326, 448063), (3542, 420739), (3703, 402446), (5566, 267743), (5819, 256102), (7406, 201223), (11638, 128051), (11641, 128018), (18293, 81466), (19481, 76498), (23282, 64009), (36586, 40733), (38249, 38962)]