77909200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 198288896

約数和(自身を除く): 120379696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 61, 62, 80, 100, 103, 122, 124, 155, 200, 206, 244, 248, 305, 310, 400, 412, 488, 496, 515, 610, 620, 775, 824, 976, 1030, 1220, 1240, 1525, 1550, 1648, 1891, 2060, 2440, 2480, 2575, 3050, 3100, 3193, 3782, 4120, 4880, 5150, 6100, 6200, 6283, 6386, 7564, 8240, 9455, 10300, 12200, 12400, 12566, 12772, 15128, 15965, 18910, 20600, 24400, 25132, 25544, 30256, 31415, 31930, 37820, 41200, 47275, 50264, 51088, 62830, 63860, 75640, 79825, 94550, 100528, 125660, 127720, 151280, 157075, 159650, 189100, 194773, 251320, 255440, 314150, 319300, 378200, 389546, 502640, 628300, 638600, 756400, 779092, 973865, 1256600, 1277200, 1558184, 1947730, 2513200, 3116368, 3895460, 4869325, 7790920, 9738650, 15581840, 19477300, 38954600, 77909200]

約数ペア:

[(1, 77909200), (2, 38954600), (4, 19477300), (5, 15581840), (8, 9738650), (10, 7790920), (16, 4869325), (20, 3895460), (25, 3116368), (31, 2513200), (40, 1947730), (50, 1558184), (61, 1277200), (62, 1256600), (80, 973865), (100, 779092), (103, 756400), (122, 638600), (124, 628300), (155, 502640), (200, 389546), (206, 378200), (244, 319300), (248, 314150), (305, 255440), (310, 251320), (400, 194773), (412, 189100), (488, 159650), (496, 157075), (515, 151280), (610, 127720), (620, 125660), (775, 100528), (824, 94550), (976, 79825), (1030, 75640), (1220, 63860), (1240, 62830), (1525, 51088), (1550, 50264), (1648, 47275), (1891, 41200), (2060, 37820), (2440, 31930), (2480, 31415), (2575, 30256), (3050, 25544), (3100, 25132), (3193, 24400), (3782, 20600), (4120, 18910), (4880, 15965), (5150, 15128), (6100, 12772), (6200, 12566), (6283, 12400), (6386, 12200), (7564, 10300), (8240, 9455)]