18977100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 59105592

約数和(自身を除く): 40128492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 61, 68, 75, 85, 100, 102, 122, 150, 170, 183, 204, 244, 255, 300, 305, 340, 366, 425, 510, 610, 732, 850, 915, 1020, 1037, 1220, 1275, 1525, 1700, 1830, 2074, 2550, 3050, 3111, 3660, 3721, 4148, 4575, 5100, 5185, 6100, 6222, 7442, 9150, 10370, 11163, 12444, 14884, 15555, 18300, 18605, 20740, 22326, 25925, 31110, 37210, 44652, 51850, 55815, 62220, 63257, 74420, 77775, 93025, 103700, 111630, 126514, 155550, 186050, 189771, 223260, 253028, 279075, 311100, 316285, 372100, 379542, 558150, 632570, 759084, 948855, 1116300, 1265140, 1581425, 1897710, 3162850, 3795420, 4744275, 6325700, 9488550, 18977100]

約数ペア:

[(1, 18977100), (2, 9488550), (3, 6325700), (4, 4744275), (5, 3795420), (6, 3162850), (10, 1897710), (12, 1581425), (15, 1265140), (17, 1116300), (20, 948855), (25, 759084), (30, 632570), (34, 558150), (50, 379542), (51, 372100), (60, 316285), (61, 311100), (68, 279075), (75, 253028), (85, 223260), (100, 189771), (102, 186050), (122, 155550), (150, 126514), (170, 111630), (183, 103700), (204, 93025), (244, 77775), (255, 74420), (300, 63257), (305, 62220), (340, 55815), (366, 51850), (425, 44652), (510, 37210), (610, 31110), (732, 25925), (850, 22326), (915, 20740), (1020, 18605), (1037, 18300), (1220, 15555), (1275, 14884), (1525, 12444), (1700, 11163), (1830, 10370), (2074, 9150), (2550, 7442), (3050, 6222), (3111, 6100), (3660, 5185), (3721, 5100), (4148, 4575)]