90842300

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 203893200

約数和(自身を除く): 113050900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 89, 100, 118, 173, 178, 236, 295, 346, 356, 445, 590, 692, 865, 890, 1180, 1475, 1730, 1780, 2225, 2950, 3460, 4325, 4450, 5251, 5900, 8650, 8900, 10207, 10502, 15397, 17300, 20414, 21004, 26255, 30794, 40828, 51035, 52510, 61588, 76985, 102070, 105020, 131275, 153970, 204140, 255175, 262550, 307940, 384925, 510350, 525100, 769850, 908423, 1020700, 1539700, 1816846, 3633692, 4542115, 9084230, 18168460, 22710575, 45421150, 90842300]

約数ペア:

[(1, 90842300), (2, 45421150), (4, 22710575), (5, 18168460), (10, 9084230), (20, 4542115), (25, 3633692), (50, 1816846), (59, 1539700), (89, 1020700), (100, 908423), (118, 769850), (173, 525100), (178, 510350), (236, 384925), (295, 307940), (346, 262550), (356, 255175), (445, 204140), (590, 153970), (692, 131275), (865, 105020), (890, 102070), (1180, 76985), (1475, 61588), (1730, 52510), (1780, 51035), (2225, 40828), (2950, 30794), (3460, 26255), (4325, 21004), (4450, 20414), (5251, 17300), (5900, 15397), (8650, 10502), (8900, 10207)]