251685450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{13007}}^1$

素因数の和:13068

約数の個数: 72

約数和(自身を含む): 691973568

約数和(自身を除く): 440288118

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1290, 1935, 2150, 3225, 3870, 6450, 9675, 13007, 19350, 26014, 39021, 65035, 78042, 117063, 130070, 195105, 234126, 325175, 390210, 559301, 585315, 650350, 975525, 1118602, 1170630, 1677903, 1951050, 2796505, 2926575, 3355806, 5033709, 5593010, 5853150, 8389515, 10067418, 13982525, 16779030, 25168545, 27965050, 41947575, 50337090, 83895150, 125842725, 251685450]

約数ペア:

[(1, 251685450), (2, 125842725), (3, 83895150), (5, 50337090), (6, 41947575), (9, 27965050), (10, 25168545), (15, 16779030), (18, 13982525), (25, 10067418), (30, 8389515), (43, 5853150), (45, 5593010), (50, 5033709), (75, 3355806), (86, 2926575), (90, 2796505), (129, 1951050), (150, 1677903), (215, 1170630), (225, 1118602), (258, 975525), (387, 650350), (430, 585315), (450, 559301), (645, 390210), (774, 325175), (1075, 234126), (1290, 195105), (1935, 130070), (2150, 117063), (3225, 78042), (3870, 65035), (6450, 39021), (9675, 26014), (13007, 19350)]