213436240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{967}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 518538240

約数和(自身を除く): 305102000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 445, 496, 620, 712, 890, 967, 1240, 1424, 1780, 1934, 2480, 2759, 3560, 3868, 4835, 5518, 7120, 7736, 9670, 11036, 13795, 15472, 19340, 22072, 27590, 29977, 38680, 44144, 55180, 59954, 77360, 86063, 110360, 119908, 149885, 172126, 220720, 239816, 299770, 344252, 430315, 479632, 599540, 688504, 860630, 1199080, 1377008, 1721260, 2398160, 2667953, 3442520, 5335906, 6885040, 10671812, 13339765, 21343624, 26679530, 42687248, 53359060, 106718120, 213436240]

約数ペア:

[(1, 213436240), (2, 106718120), (4, 53359060), (5, 42687248), (8, 26679530), (10, 21343624), (16, 13339765), (20, 10671812), (31, 6885040), (40, 5335906), (62, 3442520), (80, 2667953), (89, 2398160), (124, 1721260), (155, 1377008), (178, 1199080), (248, 860630), (310, 688504), (356, 599540), (445, 479632), (496, 430315), (620, 344252), (712, 299770), (890, 239816), (967, 220720), (1240, 172126), (1424, 149885), (1780, 119908), (1934, 110360), (2480, 86063), (2759, 77360), (3560, 59954), (3868, 55180), (4835, 44144), (5518, 38680), (7120, 29977), (7736, 27590), (9670, 22072), (11036, 19340), (13795, 15472)]