195978900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1682

約数の個数: 144

約数和(自身を含む): 630737408

約数和(自身を除く): 434758508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1621, 1860, 1950, 2015, 2325, 2418, 3100, 3242, 3900, 4030, 4650, 4836, 4863, 6045, 6484, 8060, 8105, 9300, 9726, 10075, 12090, 16210, 19452, 20150, 21073, 24180, 24315, 30225, 32420, 40300, 40525, 42146, 48630, 50251, 60450, 63219, 81050, 84292, 97260, 100502, 105365, 120900, 121575, 126438, 150753, 162100, 201004, 210730, 243150, 251255, 252876, 301506, 316095, 421460, 486300, 502510, 526825, 603012, 632190, 653263, 753765, 1005020, 1053650, 1256275, 1264380, 1306526, 1507530, 1580475, 1959789, 2107300, 2512550, 2613052, 3015060, 3160950, 3266315, 3768825, 3919578, 5025100, 6321900, 6532630, 7537650, 7839156, 9798945, 13065260, 15075300, 16331575, 19597890, 32663150, 39195780, 48994725, 65326300, 97989450, 195978900]

約数ペア:

[(1, 195978900), (2, 97989450), (3, 65326300), (4, 48994725), (5, 39195780), (6, 32663150), (10, 19597890), (12, 16331575), (13, 15075300), (15, 13065260), (20, 9798945), (25, 7839156), (26, 7537650), (30, 6532630), (31, 6321900), (39, 5025100), (50, 3919578), (52, 3768825), (60, 3266315), (62, 3160950), (65, 3015060), (75, 2613052), (78, 2512550), (93, 2107300), (100, 1959789), (124, 1580475), (130, 1507530), (150, 1306526), (155, 1264380), (156, 1256275), (186, 1053650), (195, 1005020), (260, 753765), (300, 653263), (310, 632190), (325, 603012), (372, 526825), (390, 502510), (403, 486300), (465, 421460), (620, 316095), (650, 301506), (775, 252876), (780, 251255), (806, 243150), (930, 210730), (975, 201004), (1209, 162100), (1300, 150753), (1550, 126438), (1612, 121575), (1621, 120900), (1860, 105365), (1950, 100502), (2015, 97260), (2325, 84292), (2418, 81050), (3100, 63219), (3242, 60450), (3900, 50251), (4030, 48630), (4650, 42146), (4836, 40525), (4863, 40300), (6045, 32420), (6484, 30225), (8060, 24315), (8105, 24180), (9300, 21073), (9726, 20150), (10075, 19452), (12090, 16210)]