138998420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 333849600

約数和(自身を除く): 194851180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 89, 110, 124, 155, 178, 220, 229, 310, 341, 356, 445, 458, 620, 682, 890, 916, 979, 1145, 1364, 1705, 1780, 1958, 2290, 2519, 2759, 3410, 3916, 4580, 4895, 5038, 5518, 6820, 7099, 9790, 10076, 11036, 12595, 13795, 14198, 19580, 20381, 25190, 27590, 28396, 30349, 35495, 40762, 50380, 55180, 60698, 70990, 78089, 81524, 101905, 121396, 141980, 151745, 156178, 203810, 224191, 303490, 312356, 390445, 407620, 448382, 606980, 631811, 780890, 896764, 1120955, 1263622, 1561780, 2241910, 2527244, 3159055, 4483820, 6318110, 6949921, 12636220, 13899842, 27799684, 34749605, 69499210, 138998420]

約数ペア:

[(1, 138998420), (2, 69499210), (4, 34749605), (5, 27799684), (10, 13899842), (11, 12636220), (20, 6949921), (22, 6318110), (31, 4483820), (44, 3159055), (55, 2527244), (62, 2241910), (89, 1561780), (110, 1263622), (124, 1120955), (155, 896764), (178, 780890), (220, 631811), (229, 606980), (310, 448382), (341, 407620), (356, 390445), (445, 312356), (458, 303490), (620, 224191), (682, 203810), (890, 156178), (916, 151745), (979, 141980), (1145, 121396), (1364, 101905), (1705, 81524), (1780, 78089), (1958, 70990), (2290, 60698), (2519, 55180), (2759, 50380), (3410, 40762), (3916, 35495), (4580, 30349), (4895, 28396), (5038, 27590), (5518, 25190), (6820, 20381), (7099, 19580), (9790, 14198), (10076, 13795), (11036, 12595)]