28000830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 80994816

約数和(自身を除く): 52993986

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 61, 65, 66, 78, 107, 110, 122, 130, 143, 165, 183, 195, 214, 286, 305, 321, 330, 366, 390, 429, 535, 610, 642, 671, 715, 793, 858, 915, 1070, 1177, 1342, 1391, 1430, 1586, 1605, 1830, 2013, 2145, 2354, 2379, 2782, 3210, 3355, 3531, 3965, 4026, 4173, 4290, 4758, 5885, 6527, 6710, 6955, 7062, 7930, 8346, 8723, 10065, 11770, 11895, 13054, 13910, 15301, 17446, 17655, 19581, 20130, 20865, 23790, 26169, 30602, 32635, 35310, 39162, 41730, 43615, 45903, 52338, 65270, 71797, 76505, 84851, 87230, 91806, 97905, 130845, 143594, 153010, 169702, 195810, 215391, 229515, 254553, 261690, 358985, 424255, 430782, 459030, 509106, 717970, 848510, 933361, 1076955, 1272765, 1866722, 2153910, 2545530, 2800083, 4666805, 5600166, 9333610, 14000415, 28000830]

約数ペア:

[(1, 28000830), (2, 14000415), (3, 9333610), (5, 5600166), (6, 4666805), (10, 2800083), (11, 2545530), (13, 2153910), (15, 1866722), (22, 1272765), (26, 1076955), (30, 933361), (33, 848510), (39, 717970), (55, 509106), (61, 459030), (65, 430782), (66, 424255), (78, 358985), (107, 261690), (110, 254553), (122, 229515), (130, 215391), (143, 195810), (165, 169702), (183, 153010), (195, 143594), (214, 130845), (286, 97905), (305, 91806), (321, 87230), (330, 84851), (366, 76505), (390, 71797), (429, 65270), (535, 52338), (610, 45903), (642, 43615), (671, 41730), (715, 39162), (793, 35310), (858, 32635), (915, 30602), (1070, 26169), (1177, 23790), (1342, 20865), (1391, 20130), (1430, 19581), (1586, 17655), (1605, 17446), (1830, 15301), (2013, 13910), (2145, 13054), (2354, 11895), (2379, 11770), (2782, 10065), (3210, 8723), (3355, 8346), (3531, 7930), (3965, 7062), (4026, 6955), (4173, 6710), (4290, 6527), (4758, 5885)]