3955900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 9843120

約数和(自身を除く): 5887220

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 179, 221, 260, 325, 340, 358, 425, 442, 650, 716, 850, 884, 895, 1105, 1300, 1700, 1790, 2210, 2327, 3043, 3580, 4420, 4475, 4654, 5525, 6086, 8950, 9308, 11050, 11635, 12172, 15215, 17900, 22100, 23270, 30430, 39559, 46540, 58175, 60860, 76075, 79118, 116350, 152150, 158236, 197795, 232700, 304300, 395590, 791180, 988975, 1977950, 3955900]

約数ペア:

[(1, 3955900), (2, 1977950), (4, 988975), (5, 791180), (10, 395590), (13, 304300), (17, 232700), (20, 197795), (25, 158236), (26, 152150), (34, 116350), (50, 79118), (52, 76075), (65, 60860), (68, 58175), (85, 46540), (100, 39559), (130, 30430), (170, 23270), (179, 22100), (221, 17900), (260, 15215), (325, 12172), (340, 11635), (358, 11050), (425, 9308), (442, 8950), (650, 6086), (716, 5525), (850, 4654), (884, 4475), (895, 4420), (1105, 3580), (1300, 3043), (1700, 2327), (1790, 2210)]