20791364300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{2179}}^1$

素因数の和:2560

約数の個数: 144

約数和(自身を含む): 52952444160

約数和(自身を除く): 32161079860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 317, 350, 430, 602, 634, 700, 860, 1075, 1204, 1268, 1505, 1585, 2150, 2179, 2219, 3010, 3170, 4300, 4358, 4438, 6020, 6340, 7525, 7925, 8716, 8876, 10895, 11095, 13631, 15050, 15253, 15850, 21790, 22190, 27262, 30100, 30506, 31700, 43580, 44380, 54475, 54524, 55475, 61012, 68155, 76265, 93697, 95417, 108950, 110950, 136310, 152530, 187394, 190834, 217900, 221900, 272620, 305060, 340775, 374788, 381325, 381668, 468485, 477085, 655879, 681550, 690743, 762650, 936970, 954170, 1311758, 1363100, 1381486, 1525300, 1873940, 1908340, 2342425, 2385425, 2623516, 2762972, 3279395, 3453715, 4684850, 4770850, 4835201, 6558790, 6907430, 9369700, 9541700, 9670402, 13117580, 13814860, 16396975, 17268575, 19340804, 24176005, 29701949, 32793950, 34537150, 48352010, 59403898, 65587900, 69074300, 96704020, 118807796, 120880025, 148509745, 207913643, 241760050, 297019490, 415827286, 483520100, 594038980, 742548725, 831654572, 1039568215, 1485097450, 2079136430, 2970194900, 4158272860, 5197841075, 10395682150, 20791364300]

約数ペア:

[(1, 20791364300), (2, 10395682150), (4, 5197841075), (5, 4158272860), (7, 2970194900), (10, 2079136430), (14, 1485097450), (20, 1039568215), (25, 831654572), (28, 742548725), (35, 594038980), (43, 483520100), (50, 415827286), (70, 297019490), (86, 241760050), (100, 207913643), (140, 148509745), (172, 120880025), (175, 118807796), (215, 96704020), (301, 69074300), (317, 65587900), (350, 59403898), (430, 48352010), (602, 34537150), (634, 32793950), (700, 29701949), (860, 24176005), (1075, 19340804), (1204, 17268575), (1268, 16396975), (1505, 13814860), (1585, 13117580), (2150, 9670402), (2179, 9541700), (2219, 9369700), (3010, 6907430), (3170, 6558790), (4300, 4835201), (4358, 4770850), (4438, 4684850), (6020, 3453715), (6340, 3279395), (7525, 2762972), (7925, 2623516), (8716, 2385425), (8876, 2342425), (10895, 1908340), (11095, 1873940), (13631, 1525300), (15050, 1381486), (15253, 1363100), (15850, 1311758), (21790, 954170), (22190, 936970), (27262, 762650), (30100, 690743), (30506, 681550), (31700, 655879), (43580, 477085), (44380, 468485), (54475, 381668), (54524, 381325), (55475, 374788), (61012, 340775), (68155, 305060), (76265, 272620), (93697, 221900), (95417, 217900), (108950, 190834), (110950, 187394), (136310, 152530)]