1330201990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 2771822592

約数和(自身を除く): 1441620602

約数列:

[1, 2, 5, 10, 13, 26, 43, 47, 61, 65, 83, 86, 94, 122, 130, 166, 215, 235, 305, 415, 430, 470, 559, 610, 611, 793, 830, 1079, 1118, 1222, 1586, 2021, 2158, 2623, 2795, 2867, 3055, 3569, 3901, 3965, 4042, 5063, 5246, 5395, 5590, 5734, 6110, 7138, 7802, 7930, 10105, 10126, 10790, 13115, 14335, 17845, 19505, 20210, 25315, 26230, 26273, 28670, 34099, 35690, 37271, 39010, 46397, 50630, 50713, 52546, 65819, 68198, 74542, 92794, 101426, 123281, 131365, 131638, 167743, 170495, 186355, 217709, 231985, 237961, 246562, 253565, 262730, 329095, 335486, 340990, 372710, 435418, 463970, 475922, 507130, 616405, 658190, 838715, 1088545, 1189805, 1232810, 1602653, 1677430, 2177090, 2180659, 2379610, 2830217, 3093493, 3205306, 4361318, 5660434, 6186986, 8013265, 10232323, 10903295, 14151085, 15467465, 16026530, 20464646, 21806590, 28302170, 30934930, 51161615, 102323230, 133020199, 266040398, 665100995, 1330201990]

約数ペア:

[(1, 1330201990), (2, 665100995), (5, 266040398), (10, 133020199), (13, 102323230), (26, 51161615), (43, 30934930), (47, 28302170), (61, 21806590), (65, 20464646), (83, 16026530), (86, 15467465), (94, 14151085), (122, 10903295), (130, 10232323), (166, 8013265), (215, 6186986), (235, 5660434), (305, 4361318), (415, 3205306), (430, 3093493), (470, 2830217), (559, 2379610), (610, 2180659), (611, 2177090), (793, 1677430), (830, 1602653), (1079, 1232810), (1118, 1189805), (1222, 1088545), (1586, 838715), (2021, 658190), (2158, 616405), (2623, 507130), (2795, 475922), (2867, 463970), (3055, 435418), (3569, 372710), (3901, 340990), (3965, 335486), (4042, 329095), (5063, 262730), (5246, 253565), (5395, 246562), (5590, 237961), (5734, 231985), (6110, 217709), (7138, 186355), (7802, 170495), (7930, 167743), (10105, 131638), (10126, 131365), (10790, 123281), (13115, 101426), (14335, 92794), (17845, 74542), (19505, 68198), (20210, 65819), (25315, 52546), (26230, 50713), (26273, 50630), (28670, 46397), (34099, 39010), (35690, 37271)]