2017995420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{4211}}^1$

素因数の和:4400

約数の個数: 144

約数和(自身を含む): 6614794368

約数和(自身を除く): 4596798948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 163, 196, 210, 245, 294, 326, 420, 489, 490, 588, 652, 735, 815, 978, 980, 1141, 1470, 1630, 1956, 2282, 2445, 2940, 3260, 3423, 4211, 4564, 4890, 5705, 6846, 7987, 8422, 9780, 11410, 12633, 13692, 15974, 16844, 17115, 21055, 22820, 23961, 25266, 29477, 31948, 34230, 39935, 42110, 47922, 50532, 58954, 63165, 68460, 79870, 84220, 88431, 95844, 117908, 119805, 126330, 147385, 159740, 176862, 206339, 239610, 252660, 294770, 353724, 412678, 442155, 479220, 589540, 619017, 686393, 825356, 884310, 1031695, 1238034, 1372786, 1768620, 2059179, 2063390, 2476068, 2745572, 3095085, 3431965, 4118358, 4126780, 4804751, 6190170, 6863930, 8236716, 9609502, 10295895, 12380340, 13727860, 14414253, 19219004, 20591790, 24023755, 28828506, 33633257, 41183580, 48047510, 57657012, 67266514, 72071265, 96095020, 100899771, 134533028, 144142530, 168166285, 201799542, 288285060, 336332570, 403599084, 504498855, 672665140, 1008997710, 2017995420]

約数ペア:

[(1, 2017995420), (2, 1008997710), (3, 672665140), (4, 504498855), (5, 403599084), (6, 336332570), (7, 288285060), (10, 201799542), (12, 168166285), (14, 144142530), (15, 134533028), (20, 100899771), (21, 96095020), (28, 72071265), (30, 67266514), (35, 57657012), (42, 48047510), (49, 41183580), (60, 33633257), (70, 28828506), (84, 24023755), (98, 20591790), (105, 19219004), (140, 14414253), (147, 13727860), (163, 12380340), (196, 10295895), (210, 9609502), (245, 8236716), (294, 6863930), (326, 6190170), (420, 4804751), (489, 4126780), (490, 4118358), (588, 3431965), (652, 3095085), (735, 2745572), (815, 2476068), (978, 2063390), (980, 2059179), (1141, 1768620), (1470, 1372786), (1630, 1238034), (1956, 1031695), (2282, 884310), (2445, 825356), (2940, 686393), (3260, 619017), (3423, 589540), (4211, 479220), (4564, 442155), (4890, 412678), (5705, 353724), (6846, 294770), (7987, 252660), (8422, 239610), (9780, 206339), (11410, 176862), (12633, 159740), (13692, 147385), (15974, 126330), (16844, 119805), (17115, 117908), (21055, 95844), (22820, 88431), (23961, 84220), (25266, 79870), (29477, 68460), (31948, 63165), (34230, 58954), (39935, 50532), (42110, 47922)]