205773040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 160

約数和(自身を含む): 568535040

約数和(自身を除く): 362762000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 176, 190, 209, 220, 248, 304, 310, 341, 380, 397, 418, 440, 496, 589, 620, 682, 760, 794, 836, 880, 1045, 1178, 1240, 1364, 1520, 1588, 1672, 1705, 1985, 2090, 2356, 2480, 2728, 2945, 3176, 3344, 3410, 3970, 4180, 4367, 4712, 5456, 5890, 6352, 6479, 6820, 7543, 7940, 8360, 8734, 9424, 11780, 12307, 12958, 13640, 15086, 15880, 16720, 17468, 21835, 23560, 24614, 25916, 27280, 30172, 31760, 32395, 34936, 37715, 43670, 47120, 49228, 51832, 60344, 61535, 64790, 69872, 75430, 82973, 87340, 98456, 103664, 120688, 123070, 129580, 135377, 150860, 165946, 174680, 196912, 233833, 246140, 259160, 270754, 301720, 331892, 349360, 414865, 467666, 492280, 518320, 541508, 603440, 663784, 676885, 829730, 935332, 984560, 1083016, 1169165, 1327568, 1353770, 1659460, 1870664, 2166032, 2338330, 2572163, 2707540, 3318920, 3741328, 4676660, 5144326, 5415080, 6637840, 9353320, 10288652, 10830160, 12860815, 18706640, 20577304, 25721630, 41154608, 51443260, 102886520, 205773040]

約数ペア:

[(1, 205773040), (2, 102886520), (4, 51443260), (5, 41154608), (8, 25721630), (10, 20577304), (11, 18706640), (16, 12860815), (19, 10830160), (20, 10288652), (22, 9353320), (31, 6637840), (38, 5415080), (40, 5144326), (44, 4676660), (55, 3741328), (62, 3318920), (76, 2707540), (80, 2572163), (88, 2338330), (95, 2166032), (110, 1870664), (124, 1659460), (152, 1353770), (155, 1327568), (176, 1169165), (190, 1083016), (209, 984560), (220, 935332), (248, 829730), (304, 676885), (310, 663784), (341, 603440), (380, 541508), (397, 518320), (418, 492280), (440, 467666), (496, 414865), (589, 349360), (620, 331892), (682, 301720), (760, 270754), (794, 259160), (836, 246140), (880, 233833), (1045, 196912), (1178, 174680), (1240, 165946), (1364, 150860), (1520, 135377), (1588, 129580), (1672, 123070), (1705, 120688), (1985, 103664), (2090, 98456), (2356, 87340), (2480, 82973), (2728, 75430), (2945, 69872), (3176, 64790), (3344, 61535), (3410, 60344), (3970, 51832), (4180, 49228), (4367, 47120), (4712, 43670), (5456, 37715), (5890, 34936), (6352, 32395), (6479, 31760), (6820, 30172), (7543, 27280), (7940, 25916), (8360, 24614), (8734, 23560), (9424, 21835), (11780, 17468), (12307, 16720), (12958, 15880), (13640, 15086)]