68451100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 155990016

約数和(自身を除く): 87538916

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 284, 310, 311, 355, 620, 622, 710, 775, 1244, 1420, 1550, 1555, 1775, 2201, 3100, 3110, 3550, 4402, 6220, 7100, 7775, 8804, 9641, 11005, 15550, 19282, 22010, 22081, 31100, 38564, 44020, 44162, 48205, 55025, 88324, 96410, 110050, 110405, 192820, 220100, 220810, 241025, 441620, 482050, 552025, 684511, 964100, 1104050, 1369022, 2208100, 2738044, 3422555, 6845110, 13690220, 17112775, 34225550, 68451100]

約数ペア:

[(1, 68451100), (2, 34225550), (4, 17112775), (5, 13690220), (10, 6845110), (20, 3422555), (25, 2738044), (31, 2208100), (50, 1369022), (62, 1104050), (71, 964100), (100, 684511), (124, 552025), (142, 482050), (155, 441620), (284, 241025), (310, 220810), (311, 220100), (355, 192820), (620, 110405), (622, 110050), (710, 96410), (775, 88324), (1244, 55025), (1420, 48205), (1550, 44162), (1555, 44020), (1775, 38564), (2201, 31100), (3100, 22081), (3110, 22010), (3550, 19282), (4402, 15550), (6220, 11005), (7100, 9641), (7775, 8804)]