201994521220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6553}}^1\times {\mathrm{5333}}^1$

素因数の和:11929

約数の個数: 72

約数和(自身を含む): 450761810184

約数和(自身を除く): 248767288964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5333, 5780, 6553, 10666, 13106, 21332, 26212, 26665, 32765, 53330, 65530, 90661, 106660, 111401, 131060, 181322, 222802, 362644, 445604, 453305, 557005, 906610, 1114010, 1541237, 1813220, 1893817, 2228020, 3082474, 3787634, 6164948, 7575268, 7706185, 9469085, 15412370, 18938170, 30824740, 34947149, 37876340, 69894298, 139788596, 174735745, 349471490, 594101533, 698942980, 1188203066, 2376406132, 2970507665, 5941015330, 10099726061, 11882030660, 20199452122, 40398904244, 50498630305, 100997260610, 201994521220]

約数ペア:

[(1, 201994521220), (2, 100997260610), (4, 50498630305), (5, 40398904244), (10, 20199452122), (17, 11882030660), (20, 10099726061), (34, 5941015330), (68, 2970507665), (85, 2376406132), (170, 1188203066), (289, 698942980), (340, 594101533), (578, 349471490), (1156, 174735745), (1445, 139788596), (2890, 69894298), (5333, 37876340), (5780, 34947149), (6553, 30824740), (10666, 18938170), (13106, 15412370), (21332, 9469085), (26212, 7706185), (26665, 7575268), (32765, 6164948), (53330, 3787634), (65530, 3082474), (90661, 2228020), (106660, 1893817), (111401, 1813220), (131060, 1541237), (181322, 1114010), (222802, 906610), (362644, 557005), (445604, 453305)]