804899375

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 1265594880

約数和(自身を除く): 460695505

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 125, 133, 161, 175, 421, 437, 475, 575, 625, 665, 805, 875, 2105, 2185, 2375, 2875, 2947, 3059, 3325, 4025, 4375, 7999, 9683, 10525, 10925, 11875, 14375, 14735, 15295, 16625, 20125, 39995, 48415, 52625, 54625, 55993, 67781, 73675, 76475, 83125, 100625, 183977, 199975, 242075, 263125, 273125, 279965, 338905, 368375, 382375, 919885, 999875, 1210375, 1287839, 1399825, 1694525, 1841875, 1911875, 4599425, 4999375, 6051875, 6439195, 6999125, 8472625, 22997125, 32195975, 34995625, 42363125, 114985625, 160979875, 804899375]

約数ペア:

[(1, 804899375), (5, 160979875), (7, 114985625), (19, 42363125), (23, 34995625), (25, 32195975), (35, 22997125), (95, 8472625), (115, 6999125), (125, 6439195), (133, 6051875), (161, 4999375), (175, 4599425), (421, 1911875), (437, 1841875), (475, 1694525), (575, 1399825), (625, 1287839), (665, 1210375), (805, 999875), (875, 919885), (2105, 382375), (2185, 368375), (2375, 338905), (2875, 279965), (2947, 273125), (3059, 263125), (3325, 242075), (4025, 199975), (4375, 183977), (7999, 100625), (9683, 83125), (10525, 76475), (10925, 73675), (11875, 67781), (14375, 55993), (14735, 54625), (15295, 52625), (16625, 48415), (20125, 39995)]