156979231220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2625949}}^1$

素因数の和:2626033

約数の個数: 72

約数和(自身を含む): 389764506600

約数和(自身を除く): 232785275380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2989, 4270, 5978, 8540, 11956, 14945, 29890, 59780, 2625949, 5251898, 10503796, 13129745, 18381643, 26259490, 36763286, 52518980, 73526572, 91908215, 128671501, 160182889, 183816430, 257343002, 320365778, 367632860, 514686004, 640731556, 643357505, 800914445, 1121280223, 1286715010, 1601828890, 2242560446, 2573430020, 3203657780, 4485120892, 5606401115, 7848961561, 11212802230, 15697923122, 22425604460, 31395846244, 39244807805, 78489615610, 156979231220]

約数ペア:

[(1, 156979231220), (2, 78489615610), (4, 39244807805), (5, 31395846244), (7, 22425604460), (10, 15697923122), (14, 11212802230), (20, 7848961561), (28, 5606401115), (35, 4485120892), (49, 3203657780), (61, 2573430020), (70, 2242560446), (98, 1601828890), (122, 1286715010), (140, 1121280223), (196, 800914445), (244, 643357505), (245, 640731556), (305, 514686004), (427, 367632860), (490, 320365778), (610, 257343002), (854, 183816430), (980, 160182889), (1220, 128671501), (1708, 91908215), (2135, 73526572), (2989, 52518980), (4270, 36763286), (5978, 26259490), (8540, 18381643), (11956, 13129745), (14945, 10503796), (29890, 5251898), (59780, 2625949)]