201420420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1301

約数の個数: 96

約数和(自身を含む): 601001856

約数和(自身を除く): 399581436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 181, 204, 255, 340, 362, 510, 543, 724, 905, 1020, 1086, 1091, 1810, 2172, 2182, 2715, 3077, 3273, 3620, 4364, 5430, 5455, 6154, 6546, 9231, 10860, 10910, 12308, 13092, 15385, 16365, 18462, 18547, 21820, 30770, 32730, 36924, 37094, 46155, 55641, 61540, 65460, 74188, 92310, 92735, 111282, 184620, 185470, 197471, 222564, 278205, 370940, 394942, 556410, 592413, 789884, 987355, 1112820, 1184826, 1974710, 2369652, 2962065, 3357007, 3949420, 5924130, 6714014, 10071021, 11848260, 13428028, 16785035, 20142042, 33570070, 40284084, 50355105, 67140140, 100710210, 201420420]

約数ペア:

[(1, 201420420), (2, 100710210), (3, 67140140), (4, 50355105), (5, 40284084), (6, 33570070), (10, 20142042), (12, 16785035), (15, 13428028), (17, 11848260), (20, 10071021), (30, 6714014), (34, 5924130), (51, 3949420), (60, 3357007), (68, 2962065), (85, 2369652), (102, 1974710), (170, 1184826), (181, 1112820), (204, 987355), (255, 789884), (340, 592413), (362, 556410), (510, 394942), (543, 370940), (724, 278205), (905, 222564), (1020, 197471), (1086, 185470), (1091, 184620), (1810, 111282), (2172, 92735), (2182, 92310), (2715, 74188), (3077, 65460), (3273, 61540), (3620, 55641), (4364, 46155), (5430, 37094), (5455, 36924), (6154, 32730), (6546, 30770), (9231, 21820), (10860, 18547), (10910, 18462), (12308, 16365), (13092, 15385)]