642333950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1362

約数の個数: 96

約数和(自身を含む): 1375626240

約数和(自身を除く): 733292290

約数列:

[1, 2, 5, 10, 17, 19, 25, 31, 34, 38, 50, 62, 85, 95, 155, 170, 190, 310, 323, 425, 475, 527, 589, 646, 775, 850, 950, 1054, 1178, 1283, 1550, 1615, 2566, 2635, 2945, 3230, 5270, 5890, 6415, 8075, 10013, 12830, 13175, 14725, 16150, 20026, 21811, 24377, 26350, 29450, 32075, 39773, 43622, 48754, 50065, 64150, 79546, 100130, 109055, 121885, 198865, 218110, 243770, 250325, 397730, 414409, 500650, 545275, 609425, 676141, 755687, 828818, 994325, 1090550, 1218850, 1352282, 1511374, 1988650, 2072045, 3380705, 3778435, 4144090, 6761410, 7556870, 10360225, 12846679, 16903525, 18892175, 20720450, 25693358, 33807050, 37784350, 64233395, 128466790, 321166975, 642333950]

約数ペア:

[(1, 642333950), (2, 321166975), (5, 128466790), (10, 64233395), (17, 37784350), (19, 33807050), (25, 25693358), (31, 20720450), (34, 18892175), (38, 16903525), (50, 12846679), (62, 10360225), (85, 7556870), (95, 6761410), (155, 4144090), (170, 3778435), (190, 3380705), (310, 2072045), (323, 1988650), (425, 1511374), (475, 1352282), (527, 1218850), (589, 1090550), (646, 994325), (775, 828818), (850, 755687), (950, 676141), (1054, 609425), (1178, 545275), (1283, 500650), (1550, 414409), (1615, 397730), (2566, 250325), (2635, 243770), (2945, 218110), (3230, 198865), (5270, 121885), (5890, 109055), (6415, 100130), (8075, 79546), (10013, 64150), (12830, 50065), (13175, 48754), (14725, 43622), (16150, 39773), (20026, 32075), (21811, 29450), (24377, 26350)]