2019188860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 4897118016

約数和(自身を除く): 2877929156

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 59, 65, 92, 97, 115, 118, 130, 194, 230, 236, 260, 295, 299, 388, 460, 485, 590, 598, 767, 970, 1180, 1196, 1261, 1357, 1495, 1534, 1940, 2231, 2522, 2714, 2990, 3068, 3481, 3835, 4462, 5044, 5428, 5723, 5980, 6305, 6785, 6962, 7670, 8924, 11155, 11446, 12610, 13570, 13924, 15340, 17405, 17641, 22310, 22892, 25220, 27140, 28615, 29003, 34810, 35282, 44620, 45253, 57230, 58006, 69620, 70564, 74399, 80063, 88205, 90506, 114460, 116012, 131629, 145015, 148798, 160126, 176410, 181012, 226265, 263258, 290030, 297596, 320252, 337657, 352820, 371995, 400315, 452530, 526516, 580060, 658145, 675314, 743990, 800630, 905060, 1040819, 1316290, 1350628, 1487980, 1601260, 1688285, 1711177, 2081638, 2632580, 3376570, 3422354, 4163276, 4389541, 5204095, 6753140, 6844708, 7766111, 8555885, 8779082, 10408190, 15532222, 17111770, 17558164, 20816380, 21947705, 31064444, 34223540, 38830555, 43895410, 77661110, 87790820, 100959443, 155322220, 201918886, 403837772, 504797215, 1009594430, 2019188860]

約数ペア:

[(1, 2019188860), (2, 1009594430), (4, 504797215), (5, 403837772), (10, 201918886), (13, 155322220), (20, 100959443), (23, 87790820), (26, 77661110), (46, 43895410), (52, 38830555), (59, 34223540), (65, 31064444), (92, 21947705), (97, 20816380), (115, 17558164), (118, 17111770), (130, 15532222), (194, 10408190), (230, 8779082), (236, 8555885), (260, 7766111), (295, 6844708), (299, 6753140), (388, 5204095), (460, 4389541), (485, 4163276), (590, 3422354), (598, 3376570), (767, 2632580), (970, 2081638), (1180, 1711177), (1196, 1688285), (1261, 1601260), (1357, 1487980), (1495, 1350628), (1534, 1316290), (1940, 1040819), (2231, 905060), (2522, 800630), (2714, 743990), (2990, 675314), (3068, 658145), (3481, 580060), (3835, 526516), (4462, 452530), (5044, 400315), (5428, 371995), (5723, 352820), (5980, 337657), (6305, 320252), (6785, 297596), (6962, 290030), (7670, 263258), (8924, 226265), (11155, 181012), (11446, 176410), (12610, 160126), (13570, 148798), (13924, 145015), (15340, 131629), (17405, 116012), (17641, 114460), (22310, 90506), (22892, 88205), (25220, 80063), (27140, 74399), (28615, 70564), (29003, 69620), (34810, 58006), (35282, 57230), (44620, 45253)]