78798300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 263316480

約数和(自身を除く): 184518180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 157, 175, 210, 239, 300, 314, 350, 420, 471, 478, 525, 628, 700, 717, 785, 942, 956, 1050, 1099, 1195, 1434, 1570, 1673, 1884, 2100, 2198, 2355, 2390, 2868, 3140, 3297, 3346, 3585, 3925, 4396, 4710, 4780, 5019, 5495, 5975, 6594, 6692, 7170, 7850, 8365, 9420, 10038, 10990, 11775, 11950, 13188, 14340, 15700, 16485, 16730, 17925, 20076, 21980, 23550, 23900, 25095, 27475, 32970, 33460, 35850, 37523, 41825, 47100, 50190, 54950, 65940, 71700, 75046, 82425, 83650, 100380, 109900, 112569, 125475, 150092, 164850, 167300, 187615, 225138, 250950, 262661, 329700, 375230, 450276, 501900, 525322, 562845, 750460, 787983, 938075, 1050644, 1125690, 1313305, 1575966, 1876150, 2251380, 2626610, 2814225, 3151932, 3752300, 3939915, 5253220, 5628450, 6566525, 7879830, 11256900, 13133050, 15759660, 19699575, 26266100, 39399150, 78798300]

約数ペア:

[(1, 78798300), (2, 39399150), (3, 26266100), (4, 19699575), (5, 15759660), (6, 13133050), (7, 11256900), (10, 7879830), (12, 6566525), (14, 5628450), (15, 5253220), (20, 3939915), (21, 3752300), (25, 3151932), (28, 2814225), (30, 2626610), (35, 2251380), (42, 1876150), (50, 1575966), (60, 1313305), (70, 1125690), (75, 1050644), (84, 938075), (100, 787983), (105, 750460), (140, 562845), (150, 525322), (157, 501900), (175, 450276), (210, 375230), (239, 329700), (300, 262661), (314, 250950), (350, 225138), (420, 187615), (471, 167300), (478, 164850), (525, 150092), (628, 125475), (700, 112569), (717, 109900), (785, 100380), (942, 83650), (956, 82425), (1050, 75046), (1099, 71700), (1195, 65940), (1434, 54950), (1570, 50190), (1673, 47100), (1884, 41825), (2100, 37523), (2198, 35850), (2355, 33460), (2390, 32970), (2868, 27475), (3140, 25095), (3297, 23900), (3346, 23550), (3585, 21980), (3925, 20076), (4396, 17925), (4710, 16730), (4780, 16485), (5019, 15700), (5495, 14340), (5975, 13188), (6594, 11950), (6692, 11775), (7170, 10990), (7850, 10038), (8365, 9420)]