420097700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6473}}^1$

素因数の和:6557

約数の個数: 72

約数和(自身を含む): 1011497760

約数和(自身を除く): 591400060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 236, 275, 295, 550, 590, 649, 1100, 1180, 1298, 1475, 2596, 2950, 3245, 5900, 6473, 6490, 12946, 12980, 16225, 25892, 32365, 32450, 64730, 64900, 71203, 129460, 142406, 161825, 284812, 323650, 356015, 381907, 647300, 712030, 763814, 1424060, 1527628, 1780075, 1909535, 3560150, 3819070, 4200977, 7120300, 7638140, 8401954, 9547675, 16803908, 19095350, 21004885, 38190700, 42009770, 84019540, 105024425, 210048850, 420097700]

約数ペア:

[(1, 420097700), (2, 210048850), (4, 105024425), (5, 84019540), (10, 42009770), (11, 38190700), (20, 21004885), (22, 19095350), (25, 16803908), (44, 9547675), (50, 8401954), (55, 7638140), (59, 7120300), (100, 4200977), (110, 3819070), (118, 3560150), (220, 1909535), (236, 1780075), (275, 1527628), (295, 1424060), (550, 763814), (590, 712030), (649, 647300), (1100, 381907), (1180, 356015), (1298, 323650), (1475, 284812), (2596, 161825), (2950, 142406), (3245, 129460), (5900, 71203), (6473, 64900), (6490, 64730), (12946, 32450), (12980, 32365), (16225, 25892)]