8889669080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{569}}^1$

素因数の和:997

約数の個数: 128

約数和(自身を含む): 21500856000

約数和(自身を除く): 12611186920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 337, 380, 488, 569, 610, 674, 760, 1138, 1159, 1220, 1348, 1685, 2276, 2318, 2440, 2696, 2845, 3370, 4552, 4636, 5690, 5795, 6403, 6740, 9272, 10811, 11380, 11590, 12806, 13480, 20557, 21622, 22760, 23180, 25612, 32015, 34709, 41114, 43244, 46360, 51224, 54055, 64030, 69418, 82228, 86488, 102785, 108110, 128060, 138836, 164456, 173545, 191753, 205570, 216220, 256120, 277672, 347090, 383506, 390583, 411140, 432440, 659471, 694180, 767012, 781166, 822280, 958765, 1318942, 1388360, 1534024, 1562332, 1917530, 1952915, 2637884, 3124664, 3297355, 3643307, 3835060, 3905830, 5275768, 6594710, 7286614, 7670120, 7811660, 11696933, 13189420, 14573228, 15623320, 18216535, 23393866, 26378840, 29146456, 36433070, 46787732, 58484665, 72866140, 93575464, 116969330, 145732280, 222241727, 233938660, 444483454, 467877320, 888966908, 1111208635, 1777933816, 2222417270, 4444834540, 8889669080]

約数ペア:

[(1, 8889669080), (2, 4444834540), (4, 2222417270), (5, 1777933816), (8, 1111208635), (10, 888966908), (19, 467877320), (20, 444483454), (38, 233938660), (40, 222241727), (61, 145732280), (76, 116969330), (95, 93575464), (122, 72866140), (152, 58484665), (190, 46787732), (244, 36433070), (305, 29146456), (337, 26378840), (380, 23393866), (488, 18216535), (569, 15623320), (610, 14573228), (674, 13189420), (760, 11696933), (1138, 7811660), (1159, 7670120), (1220, 7286614), (1348, 6594710), (1685, 5275768), (2276, 3905830), (2318, 3835060), (2440, 3643307), (2696, 3297355), (2845, 3124664), (3370, 2637884), (4552, 1952915), (4636, 1917530), (5690, 1562332), (5795, 1534024), (6403, 1388360), (6740, 1318942), (9272, 958765), (10811, 822280), (11380, 781166), (11590, 767012), (12806, 694180), (13480, 659471), (20557, 432440), (21622, 411140), (22760, 390583), (23180, 383506), (25612, 347090), (32015, 277672), (34709, 256120), (41114, 216220), (43244, 205570), (46360, 191753), (51224, 173545), (54055, 164456), (64030, 138836), (69418, 128060), (82228, 108110), (86488, 102785)]