28875990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 83607552

約数和(自身を除く): 54731562

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 53, 55, 65, 66, 78, 106, 110, 127, 130, 143, 159, 165, 195, 254, 265, 286, 318, 330, 381, 390, 429, 530, 583, 635, 689, 715, 762, 795, 858, 1166, 1270, 1378, 1397, 1430, 1590, 1651, 1749, 1905, 2067, 2145, 2794, 2915, 3302, 3445, 3498, 3810, 4134, 4191, 4290, 4953, 5830, 6731, 6890, 6985, 7579, 8255, 8382, 8745, 9906, 10335, 13462, 13970, 15158, 16510, 17490, 18161, 20193, 20670, 20955, 22737, 24765, 33655, 36322, 37895, 40386, 41910, 45474, 49530, 54483, 67310, 74041, 75790, 87503, 90805, 100965, 108966, 113685, 148082, 175006, 181610, 201930, 222123, 227370, 262509, 272415, 370205, 437515, 444246, 525018, 544830, 740410, 875030, 962533, 1110615, 1312545, 1925066, 2221230, 2625090, 2887599, 4812665, 5775198, 9625330, 14437995, 28875990]

約数ペア:

[(1, 28875990), (2, 14437995), (3, 9625330), (5, 5775198), (6, 4812665), (10, 2887599), (11, 2625090), (13, 2221230), (15, 1925066), (22, 1312545), (26, 1110615), (30, 962533), (33, 875030), (39, 740410), (53, 544830), (55, 525018), (65, 444246), (66, 437515), (78, 370205), (106, 272415), (110, 262509), (127, 227370), (130, 222123), (143, 201930), (159, 181610), (165, 175006), (195, 148082), (254, 113685), (265, 108966), (286, 100965), (318, 90805), (330, 87503), (381, 75790), (390, 74041), (429, 67310), (530, 54483), (583, 49530), (635, 45474), (689, 41910), (715, 40386), (762, 37895), (795, 36322), (858, 33655), (1166, 24765), (1270, 22737), (1378, 20955), (1397, 20670), (1430, 20193), (1590, 18161), (1651, 17490), (1749, 16510), (1905, 15158), (2067, 13970), (2145, 13462), (2794, 10335), (2915, 9906), (3302, 8745), (3445, 8382), (3498, 8255), (3810, 7579), (4134, 6985), (4191, 6890), (4290, 6731), (4953, 5830)]