78377300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 177821952

約数和(自身を除く): 99444652

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 131, 155, 193, 262, 310, 386, 524, 620, 655, 772, 775, 965, 1310, 1550, 1930, 2620, 3100, 3275, 3860, 4061, 4825, 5983, 6550, 8122, 9650, 11966, 13100, 16244, 19300, 20305, 23932, 25283, 29915, 40610, 50566, 59830, 81220, 101132, 101525, 119660, 126415, 149575, 203050, 252830, 299150, 406100, 505660, 598300, 632075, 783773, 1264150, 1567546, 2528300, 3135092, 3918865, 7837730, 15675460, 19594325, 39188650, 78377300]

約数ペア:

[(1, 78377300), (2, 39188650), (4, 19594325), (5, 15675460), (10, 7837730), (20, 3918865), (25, 3135092), (31, 2528300), (50, 1567546), (62, 1264150), (100, 783773), (124, 632075), (131, 598300), (155, 505660), (193, 406100), (262, 299150), (310, 252830), (386, 203050), (524, 149575), (620, 126415), (655, 119660), (772, 101525), (775, 101132), (965, 81220), (1310, 59830), (1550, 50566), (1930, 40610), (2620, 29915), (3100, 25283), (3275, 23932), (3860, 20305), (4061, 19300), (4825, 16244), (5983, 13100), (6550, 11966), (8122, 9650)]