193156700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2087

約数の個数: 72

約数和(自身を含む): 462626640

約数和(自身を除く): 269469940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 356, 445, 550, 890, 979, 1100, 1780, 1958, 1973, 2225, 3916, 3946, 4450, 4895, 7892, 8900, 9790, 9865, 19580, 19730, 21703, 24475, 39460, 43406, 48950, 49325, 86812, 97900, 98650, 108515, 175597, 197300, 217030, 351194, 434060, 542575, 702388, 877985, 1085150, 1755970, 1931567, 2170300, 3511940, 3863134, 4389925, 7726268, 8779850, 9657835, 17559700, 19315670, 38631340, 48289175, 96578350, 193156700]

約数ペア:

[(1, 193156700), (2, 96578350), (4, 48289175), (5, 38631340), (10, 19315670), (11, 17559700), (20, 9657835), (22, 8779850), (25, 7726268), (44, 4389925), (50, 3863134), (55, 3511940), (89, 2170300), (100, 1931567), (110, 1755970), (178, 1085150), (220, 877985), (275, 702388), (356, 542575), (445, 434060), (550, 351194), (890, 217030), (979, 197300), (1100, 175597), (1780, 108515), (1958, 98650), (1973, 97900), (2225, 86812), (3916, 49325), (3946, 48950), (4450, 43406), (4895, 39460), (7892, 24475), (8900, 21703), (9790, 19730), (9865, 19580)]