191217390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 571898880

約数和(自身を除く): 380681490

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 89, 91, 105, 130, 178, 182, 195, 210, 267, 273, 390, 445, 455, 534, 546, 623, 787, 890, 910, 1157, 1246, 1335, 1365, 1574, 1869, 2314, 2361, 2670, 2730, 3115, 3471, 3738, 3935, 4722, 5509, 5785, 6230, 6942, 7870, 8099, 9345, 10231, 11018, 11570, 11805, 16198, 16527, 17355, 18690, 20462, 23610, 24297, 27545, 30693, 33054, 34710, 40495, 48594, 51155, 55090, 61386, 70043, 71617, 80990, 82635, 102310, 121485, 140086, 143234, 153465, 165270, 210129, 214851, 242970, 306930, 350215, 358085, 420258, 429702, 490301, 700430, 716170, 910559, 980602, 1050645, 1074255, 1470903, 1821118, 2101290, 2148510, 2451505, 2731677, 2941806, 4552795, 4903010, 5463354, 6373913, 7354515, 9105590, 12747826, 13658385, 14709030, 19121739, 27316770, 31869565, 38243478, 63739130, 95608695, 191217390]

約数ペア:

[(1, 191217390), (2, 95608695), (3, 63739130), (5, 38243478), (6, 31869565), (7, 27316770), (10, 19121739), (13, 14709030), (14, 13658385), (15, 12747826), (21, 9105590), (26, 7354515), (30, 6373913), (35, 5463354), (39, 4903010), (42, 4552795), (65, 2941806), (70, 2731677), (78, 2451505), (89, 2148510), (91, 2101290), (105, 1821118), (130, 1470903), (178, 1074255), (182, 1050645), (195, 980602), (210, 910559), (267, 716170), (273, 700430), (390, 490301), (445, 429702), (455, 420258), (534, 358085), (546, 350215), (623, 306930), (787, 242970), (890, 214851), (910, 210129), (1157, 165270), (1246, 153465), (1335, 143234), (1365, 140086), (1574, 121485), (1869, 102310), (2314, 82635), (2361, 80990), (2670, 71617), (2730, 70043), (3115, 61386), (3471, 55090), (3738, 51155), (3935, 48594), (4722, 40495), (5509, 34710), (5785, 33054), (6230, 30693), (6942, 27545), (7870, 24297), (8099, 23610), (9345, 20462), (10231, 18690), (11018, 17355), (11570, 16527), (11805, 16198)]