28007910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 91108800

約数和(自身を除く): 63100890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 49, 54, 58, 63, 70, 73, 87, 90, 98, 105, 126, 135, 145, 146, 147, 174, 189, 203, 210, 219, 245, 261, 270, 290, 294, 315, 365, 378, 406, 435, 438, 441, 490, 511, 522, 609, 630, 657, 730, 735, 783, 870, 882, 945, 1015, 1022, 1095, 1218, 1305, 1314, 1323, 1421, 1470, 1533, 1566, 1827, 1890, 1971, 2030, 2117, 2190, 2205, 2555, 2610, 2646, 2842, 3045, 3066, 3285, 3577, 3654, 3915, 3942, 4234, 4263, 4410, 4599, 5110, 5481, 6090, 6351, 6570, 6615, 7105, 7154, 7665, 7830, 8526, 9135, 9198, 9855, 10585, 10731, 10962, 12702, 12789, 13230, 13797, 14210, 14819, 15330, 17885, 18270, 19053, 19710, 21170, 21315, 21462, 22995, 25578, 27405, 27594, 29638, 31755, 32193, 35770, 38106, 38367, 42630, 44457, 45990, 53655, 54810, 57159, 63510, 63945, 64386, 68985, 74095, 76734, 88914, 95265, 96579, 103733, 107310, 114318, 127890, 133371, 137970, 148190, 160965, 190530, 191835, 193158, 207466, 222285, 266742, 285795, 311199, 321930, 383670, 400113, 444570, 482895, 518665, 571590, 622398, 666855, 800226, 933597, 965790, 1037330, 1333710, 1555995, 1867194, 2000565, 2800791, 3111990, 4001130, 4667985, 5601582, 9335970, 14003955, 28007910]

約数ペア:

[(1, 28007910), (2, 14003955), (3, 9335970), (5, 5601582), (6, 4667985), (7, 4001130), (9, 3111990), (10, 2800791), (14, 2000565), (15, 1867194), (18, 1555995), (21, 1333710), (27, 1037330), (29, 965790), (30, 933597), (35, 800226), (42, 666855), (45, 622398), (49, 571590), (54, 518665), (58, 482895), (63, 444570), (70, 400113), (73, 383670), (87, 321930), (90, 311199), (98, 285795), (105, 266742), (126, 222285), (135, 207466), (145, 193158), (146, 191835), (147, 190530), (174, 160965), (189, 148190), (203, 137970), (210, 133371), (219, 127890), (245, 114318), (261, 107310), (270, 103733), (290, 96579), (294, 95265), (315, 88914), (365, 76734), (378, 74095), (406, 68985), (435, 64386), (438, 63945), (441, 63510), (490, 57159), (511, 54810), (522, 53655), (609, 45990), (630, 44457), (657, 42630), (730, 38367), (735, 38106), (783, 35770), (870, 32193), (882, 31755), (945, 29638), (1015, 27594), (1022, 27405), (1095, 25578), (1218, 22995), (1305, 21462), (1314, 21315), (1323, 21170), (1421, 19710), (1470, 19053), (1533, 18270), (1566, 17885), (1827, 15330), (1890, 14819), (1971, 14210), (2030, 13797), (2117, 13230), (2190, 12789), (2205, 12702), (2555, 10962), (2610, 10731), (2646, 10585), (2842, 9855), (3045, 9198), (3066, 9135), (3285, 8526), (3577, 7830), (3654, 7665), (3915, 7154), (3942, 7105), (4234, 6615), (4263, 6570), (4410, 6351), (4599, 6090), (5110, 5481)]