209869020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 670505472

約数和(自身を除く): 460636452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 163, 180, 207, 230, 276, 311, 326, 345, 414, 460, 489, 622, 652, 690, 815, 828, 933, 978, 1035, 1244, 1380, 1467, 1555, 1630, 1866, 1956, 2070, 2445, 2799, 2934, 3110, 3260, 3732, 3749, 4140, 4665, 4890, 5598, 5868, 6220, 7153, 7335, 7498, 9330, 9780, 11196, 11247, 13995, 14306, 14670, 14996, 18660, 18745, 21459, 22494, 27990, 28612, 29340, 33741, 35765, 37490, 42918, 44988, 50693, 55980, 56235, 64377, 67482, 71530, 74980, 85836, 101386, 107295, 112470, 128754, 134964, 143060, 152079, 168705, 202772, 214590, 224940, 253465, 257508, 304158, 321885, 337410, 429180, 456237, 506930, 608316, 643770, 674820, 760395, 912474, 1013860, 1165939, 1287540, 1520790, 1824948, 2281185, 2331878, 3041580, 3497817, 4562370, 4663756, 5829695, 6995634, 9124740, 10493451, 11659390, 13991268, 17489085, 20986902, 23318780, 34978170, 41973804, 52467255, 69956340, 104934510, 209869020]

約数ペア:

[(1, 209869020), (2, 104934510), (3, 69956340), (4, 52467255), (5, 41973804), (6, 34978170), (9, 23318780), (10, 20986902), (12, 17489085), (15, 13991268), (18, 11659390), (20, 10493451), (23, 9124740), (30, 6995634), (36, 5829695), (45, 4663756), (46, 4562370), (60, 3497817), (69, 3041580), (90, 2331878), (92, 2281185), (115, 1824948), (138, 1520790), (163, 1287540), (180, 1165939), (207, 1013860), (230, 912474), (276, 760395), (311, 674820), (326, 643770), (345, 608316), (414, 506930), (460, 456237), (489, 429180), (622, 337410), (652, 321885), (690, 304158), (815, 257508), (828, 253465), (933, 224940), (978, 214590), (1035, 202772), (1244, 168705), (1380, 152079), (1467, 143060), (1555, 134964), (1630, 128754), (1866, 112470), (1956, 107295), (2070, 101386), (2445, 85836), (2799, 74980), (2934, 71530), (3110, 67482), (3260, 64377), (3732, 56235), (3749, 55980), (4140, 50693), (4665, 44988), (4890, 42918), (5598, 37490), (5868, 35765), (6220, 33741), (7153, 29340), (7335, 28612), (7498, 27990), (9330, 22494), (9780, 21459), (11196, 18745), (11247, 18660), (13995, 14996), (14306, 14670)]