198836480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5011}}^1$

素因数の和:5063

約数の個数: 72

約数和(自身を含む): 491737344

約数和(自身を除く): 292900864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5011, 7936, 9920, 10022, 19840, 20044, 25055, 39680, 40088, 50110, 80176, 100220, 155341, 160352, 200440, 310682, 320704, 400880, 621364, 641408, 776705, 801760, 1242728, 1282816, 1553410, 1603520, 2485456, 3106820, 3207040, 4970912, 6213640, 6414080, 9941824, 12427280, 19883648, 24854560, 39767296, 49709120, 99418240, 198836480]

約数ペア:

[(1, 198836480), (2, 99418240), (4, 49709120), (5, 39767296), (8, 24854560), (10, 19883648), (16, 12427280), (20, 9941824), (31, 6414080), (32, 6213640), (40, 4970912), (62, 3207040), (64, 3106820), (80, 2485456), (124, 1603520), (128, 1553410), (155, 1282816), (160, 1242728), (248, 801760), (256, 776705), (310, 641408), (320, 621364), (496, 400880), (620, 320704), (640, 310682), (992, 200440), (1240, 160352), (1280, 155341), (1984, 100220), (2480, 80176), (3968, 50110), (4960, 40088), (5011, 39680), (7936, 25055), (9920, 20044), (10022, 19840)]